107+ Contributors

Enjoy content from hundreds of expert contributors from across the globe, driving peer reviewed best practice – in real time.

20 Specialists

Contributions are reviewed and updated by our team of specialists ensuring you have the right information when you need it most.

7 Medical Institutions

Hospitals, medical groups and universities worldwide are teaming with DEM DX to enhance clinical training, increase diagnostic accuracy and improve patient outcomes.
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WHAT IS DEM DX? 

DEM DX is a medical education tool which guides you through a list of differentials to the most likely diagnosis utilising decision trees developed by specialists.

For medical students and junior doctors who value years of clinical experience and are looking for more diagnostic confidence. Learn to think like a specialist with more a structured and logical approach.

 

DEM DX FEATURES

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DETAILED IMAGERY

High resolution clinical imagery and photography guiding you from symptom to diagnosis.

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SELECT A PRESENTATION

Select the clinical presentation and examination findings that best match your patient.

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DIFFERENTIAL LISTS

Compare, review and select the most likely differential with confidence.

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BOOKMARKS

Make a bookmark to easily return to a page at another time.

 

ACCESS CONTENT FROM A GLOBAL COMMUNITY OF DOCTORS

DEM DX is a dynamic tool, being constantly updated by hundreds of specialist doctors from across the globe. Join this community by contributing content for review by our expert team.

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PIN NOTES

Personalise your journey by creating notes along the way. Search and review notes with ease. Perfect for lecture notes, case summaries and exam study.

CALCULATE

Calculate GCS scores or stroke risk with confidence and speed.

SEARCH

Search by presentation, diagnosis or specialty – quickly and easy.

PARTNERSHIPS

Innovate
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Our Contributors

Professor Miles Stanford

Content Adviser - Ophthalmology

Professor Miles Stanford is currently Chair of Clinical Ophthalmology, at GSTT NHS Foundation Trust and holds posts mainly at St Thomas’ Hospital. He trained at St Thomas’ and King’s College Hospitals as well as undertaking original research into the mechanisms underlying uveitis …
Professor Miles Stanford is currently Chair of Clinical Ophthalmology, at GSTT NHS Foundation Trust and holds posts mainly at St Thomas’ Hospital. He trained at St Thomas’ and King’s College Hospitals as well as undertaking original research into the mechanisms underlying uveitis for his post doctoral thesis. He has published over 180 peer reviewed articles and contributed to more than 30 book chapters. He is founder and chairman of the British Ophthalmological Surveillance Unit, a unique unit that studies that epidemiology of rare ophthalmic diseases in the UK. 

Dr Harpreet Sood

Adviser

Dr Harpreet Sood, is currently Senior Fellow, to the Chairman and Chief Executive’s Office of NHS England. Harpreet trained as a clinical doctor at King’s College London and Imperial College Business School and practiced as an academic trainee in East London. Following this he did a …
Dr Harpreet Sood, is currently Senior Fellow, to the Chairman and Chief Executive’s Office of NHS England. Harpreet trained as a clinical doctor at King’s College London and Imperial College Business School and practiced as an academic trainee in East London. Following this he did a Masters in Public Health (MPH) at Harvard University where he focused on international health policy and co-founded a digital health start-up. Post MPH, Harpreet was a Deland Fellow in health policy and management at Brigham and Women’s Hospital, a large academic medical centre in Boston. Harpreet’s portfolio of work at NHS England includes implementing the National Diabetes Prevention Programme.  

Prof. Michael Frenneaux

Content Advisor - Cardiology

Professor Michael Frenneaux qualified from Westminster Medical School in 1980. He was the British Heart Foundation (BHF) Sir Thomas Lewis Chair of Cardiology in Cardiff and BHF Chair of Cardiology in Birmingham before being appointed to the Regius Chair of Medicine in Aberdeen in 2009 – this …
Professor Michael Frenneaux qualified from Westminster Medical School in 1980. He was the British Heart Foundation (BHF) Sir Thomas Lewis Chair of Cardiology in Cardiff and BHF Chair of Cardiology in Birmingham before being appointed to the Regius Chair of Medicine in Aberdeen in 2009 – this is the oldest Chair of Medicine in the English speaking world (established in 1497) and is appointed by the Queen. In January 2015, Professor Frenneaux took up the post of Dean of Norwich Medical School at University of East Anglia. Professor Frenneaux is a clinical scientist with interests in heart failure and heart muscle disease. His research is bed-to-bench and back to bedside. He is an integrated physiologist with wide interests, including the inorganic nitrate/nitrite axis, cardiac energetic impairment and metabolic therapies, vascular physiology as well as inter-ventricular and ventriculo-vascular coupling.

Professor John Rees

Content Adviser - Respiratory

Professor John Rees was a consultant physician at Guy’s and St Thomas’ Hospitals and Dean of Undergraduate Education at King’s College London School of Medicine. He now works part time in the King’s Centre for Global Health and is involved in the intercalated BSc in Global …
Professor John Rees was a consultant physician at Guy’s and St Thomas’ Hospitals and Dean of Undergraduate Education at King’s College London School of Medicine. He now works part time in the King’s Centre for Global Health and is involved in the intercalated BSc in Global Health and in education links in Sierra Leone and Somaliland.

Mr Roland Walker

Content Adviser - Orthopaedics

Mr Roland Walker is a Consultant Orthopaedic Surgeon at Guy’s and St Thomas’ Hospital. He is a former anatomy demonstrator at Kings College Medical School and has maintained close links with the medical school ever since. Mr Walker currently co-ordinates the undergraduate teaching …
Mr Roland Walker is a Consultant Orthopaedic Surgeon at Guy’s and St Thomas’ Hospital. He is a former anatomy demonstrator at Kings College Medical School and has maintained close links with the medical school ever since. Mr Walker currently co-ordinates the undergraduate teaching program in orthopaedics within the Trust. He has 10 years experience examining undergraduate OSCEs and is currently studying for a PGCert in Medical Education. 

Dr. Richard E. Wolfe

Adviser

  Dr. Richard E. Wolfe is Chief of  Emergency Medicine at Beth Israel Deaconess Medical Center and Associate Professor of Medicine at Harvard Medical School. An active clinician and teacher, Dr. Wolfe was previously director of the residency in emergency medicine at Brigham …
  Dr. Richard E. Wolfe is Chief of  Emergency Medicine at Beth Israel Deaconess Medical Center and Associate Professor of Medicine at Harvard Medical School. An active clinician and teacher, Dr. Wolfe was previously director of the residency in emergency medicine at Brigham and Women's Hospital and served as chair of the Education Committee for the American College of Emergency Physicians. He is currently a member of the Emergency Medicine Connections task force. The Emergency Medicine Department at BIDMC currently supports a strong basic and translational research program in sepsis and endothelial dysfunction at the Center for Vascular Biology Research. Dr. Wolfe's research interests include ultrasound applications in emergency medicine, use of the laboratory in the evaluation of sepsis, and education and structure in postgraduate emergency medicine training.

Martin November

Content Adviser - Obstetrics and Gynaecology

Marty is a practicing OBGYN physician and consultant to healthcare-related businesses on professional education and development, quality, patient safety and risk management. He has broad healthcare experience as Harvard Medical School teaching faculty, division director at Beth Israel Deaconess …
Marty is a practicing OBGYN physician and consultant to healthcare-related businesses on professional education and development, quality, patient safety and risk management. He has broad healthcare experience as Harvard Medical School teaching faculty, division director at Beth Israel Deaconess Medical Center, Chief Medical Officer for an online publishing company of continuing medical education, and current member of the Board of Directors for Harvard Business School Healthcare Alumni Association.  He has a BA from Duke University, MD from University of North Carolina at Chapel Hill and an MBA from Harvard Business School.

Dr Anitha Varghese

Chief Clinical Editor

Dr Anitha Varghese is a Consultant Cardiologist and our Chief Clinical Editor of medical content. Her specific areas of expertise within cardiology are Cardiac MRI (or CMR) and she has a keen interest in medical education. Her editorial output includes two medical textbooks - CMR Made Easy and Cases…
Dr Anitha Varghese is a Consultant Cardiologist and our Chief Clinical Editor of medical content. Her specific areas of expertise within cardiology are Cardiac MRI (or CMR) and she has a keen interest in medical education. Her editorial output includes two medical textbooks - CMR Made Easy and Cases in Structural Cardiac Intervention. Alma mater was St George's Hospital Medical School and she later completed her MD thesis at Royal Brompton Hospital, London.

Dr James Galloway

Content Adviser - Rheumatology

Dr Galloway is a clinical lecturer at King's College London and an honorary consultant in rheumatology at King's College Hospital. He runs the biologics assessment service for the rheumatology department. His research background has been in the study of biologic therapy safety. Within his …
Dr Galloway is a clinical lecturer at King's College London and an honorary consultant in rheumatology at King's College Hospital. He runs the biologics assessment service for the rheumatology department. His research background has been in the study of biologic therapy safety. Within his role for KCL he works in the CRC accredited King's Clinical Trials Unit which has a large portfolio of investigator led trials. He also runs a phase 1 clinic in collaboration with the BRC facility and the Quintiles MHRA accredited Early Phase clinical trials unit at Guy's Hospital.

Dr Clive B Archer

Content Adviser - Dermatology

  Dr Clive B Archer, BSc, MB BS, MSc Med Ed, MD (Lond), PhD, FRCP is Consultant Dermatologist at the St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust.  He has a particular interest in medical education (formerly at the University of Bristol and…
  Dr Clive B Archer, BSc, MB BS, MSc Med Ed, MD (Lond), PhD, FRCP is Consultant Dermatologist at the St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust.  He has a particular interest in medical education (formerly at the University of Bristol and currently at Guy's Hospital, KCL), and his research interests include the immuno-pharmacology of the inflammatory skin diseases, atopic dermatitis and psoriasis

Dr Lorin Gresser

Dr Lorin Gresser trained as a doctor at King College Medical school, with clinical years at St Thomas Hospital, Guys Hospital and Kings Hospital London. She has a particular interest in immunology and autoimmune disease. As well as leading the specialty contributor team Dr Gresser is the CEO of DEM …
Dr Lorin Gresser trained as a doctor at King College Medical school, with clinical years at St Thomas Hospital, Guys Hospital and Kings Hospital London. She has a particular interest in immunology and autoimmune disease. As well as leading the specialty contributor team Dr Gresser is the CEO of DEM DX. 

Mariane Melo

Business Development, Brazil

Mariane is a senior Medical Student at UFMG in Brazil and has a intercalated BsC in Medical Physiology. She loves research and use of technology into medicine. She also spent 6 months doing research at Kings College Hospital and Evelina Children's Hospital in projects within Deep Brain …
Mariane is a senior Medical Student at UFMG in Brazil and has a intercalated BsC in Medical Physiology. She loves research and use of technology into medicine. She also spent 6 months doing research at Kings College Hospital and Evelina Children's Hospital in projects within Deep Brain Stimulation and quality of life's improvement in Children with Dystonia after the procedure. She first joined the team as a content contributor and error finder and now is working in the business development of South America

Dr Mary Sommerlad

Content Advisor - Dermatology

Dr Mary Sommerlad is a final year specialist registrar in Dermatology at the Royal Free Hospital. She completed her undergraduate medical training at UCL. Her background includes a First class intercalated BSc. in Immunology for which she was awarded the British Society of Immunology Undergraduate …
Dr Mary Sommerlad is a final year specialist registrar in Dermatology at the Royal Free Hospital. She completed her undergraduate medical training at UCL. Her background includes a First class intercalated BSc. in Immunology for which she was awarded the British Society of Immunology Undergraduate Prize for her research project. Her interests include paediatric dermatology and the relationship between the immune system and skin disease. Outside of medicine her interests include travelling and all things food related!

Dr Paul Carroll

Content Adviser - Endocrinology

Dr Paul Carroll has been a Consultant Endocrinologist at Guy's and St Thomas' NHS Foundation Trust since 2003. He qualified from Trinity College Dublin and trained in Endocrinology at St. Bartholomew’s and St. Thomas’ Hospitals in London developing particular interests in …
Dr Paul Carroll has been a Consultant Endocrinologist at Guy's and St Thomas' NHS Foundation Trust since 2003. He qualified from Trinity College Dublin and trained in Endocrinology at St. Bartholomew’s and St. Thomas’ Hospitals in London developing particular interests in pituitary, adrenal and thyroid disease. In 2000 he was awarded a doctorate (University of London) and has written over 50 research papers and many textbook chapters.

Dr Ann Donnelly

Content Author - Neurology

Dr Donnelly moved from Ireland to train at the University of Glasgow Medical School, completing a BSc in Clinical Neuroscience. Since graduation she has trained in London, completing her general medical training at King's College Hospital. She is currently working at Guys and St Thomas NHS Trust…
Dr Donnelly moved from Ireland to train at the University of Glasgow Medical School, completing a BSc in Clinical Neuroscience. Since graduation she has trained in London, completing her general medical training at King's College Hospital. She is currently working at Guys and St Thomas NHS Trust, where she is developing her experience in medical education as well as completion of her specialty training. She has extensive publishing experience, as a Clinical Editor at BMJ Learning, and later at BioMed Central, heading the high end Medical Acquisitions Program, leading the launch of Alzheimer’s Research & Therapy, Stem Cell Research & Therapy, and Molecular Autism.

Dr Mamta Joshi

Content Author - Endocrinologist

Dr Mamta Joshi is a Senior Clinical Fellow in the Department of Endocrinology and Diabetes at Guy’s and St Thomas NHS Trust. She had been trained as a General Medicine Consultant in India in 2008 and was actively involved in teaching and training medical undergraduates, before she moved to UK…
Dr Mamta Joshi is a Senior Clinical Fellow in the Department of Endocrinology and Diabetes at Guy’s and St Thomas NHS Trust. She had been trained as a General Medicine Consultant in India in 2008 and was actively involved in teaching and training medical undergraduates, before she moved to UK. She had received her Membership of the Royal College of Physicians, UK in 2011 and holds the Speciality Certificate for Endocrinology and Diabetes, UK. She is a keen academician and is passionate about her clinical interests.

Dr Pier Spinazze

Dr Spinazze is a Medical Doctor with  general surgical training and particular focus on plastics and trauma surgery at Johannesburg General Hospital, South Africa. He completed a Masters in Surgical Science through the University of Edinburgh with final submission of his thesis on prehospital …
Dr Spinazze is a Medical Doctor with  general surgical training and particular focus on plastics and trauma surgery at Johannesburg General Hospital, South Africa. He completed a Masters in Surgical Science through the University of Edinburgh with final submission of his thesis on prehospital intubation in traumatic brain injury and has a certificate in neurobiology from Harvard University. He then completed an MBA at IE University in Madrid before joining DEM DX as a speciality contributor and as part of the management team.

Dr Sanad Esmail

Content Author - Neurology

Dr Esmail graduated from The University of Wales, College of Medicine in 2012 with honours, after also having completed a BSc in Neuroscience. After a 2-year foundation programme in Cardiff, he entered core medical training in the London Deanery in 2014 attaining his MRCP (UK) diploma…
Dr Esmail graduated from The University of Wales, College of Medicine in 2012 with honours, after also having completed a BSc in Neuroscience. After a 2-year foundation programme in Cardiff, he entered core medical training in the London Deanery in 2014 attaining his MRCP (UK) diploma. Currently, he is working at Guy’s and St Thomas’ NHS trust, London, as a second year core medical trainee. Dr Esmail has a passion for teaching and academia. Ultimately this inspired him to publish a question-writing book to help prepare medical students sitting their written finals (‘How to Pass Finals: Single Best Answers in Medicine’). Outside work, his interests include playing football and other sports.  

Dr Rabia Zill-e-Huma

Content Author - Obstetrics and Gynaecology

Dr Rabia Zill-e-Huma is a Consultant Obstetrician at Lister Hospital, Stevenage. She has special interest in Maternal Medicine, high risk obstetrics and labour ward. She has received her Maternal Medicine training at Addenbrookes Hospital, Cambridge and recently worked as Maternal Medicine Fellow at…
Dr Rabia Zill-e-Huma is a Consultant Obstetrician at Lister Hospital, Stevenage. She has special interest in Maternal Medicine, high risk obstetrics and labour ward. She has received her Maternal Medicine training at Addenbrookes Hospital, Cambridge and recently worked as Maternal Medicine Fellow at University College London Hospital. Her research experience includes participation in the study exploring women's views on pre-conception counselling with pre-existing diabetes and recent participation in study exploring diagnosis of pre-eclampsia at Cambridge University Hospital. She has great passion for teaching and training and has been faculty member of MRCOG preparation courses at Cambridge and Whittington Hospital, London and simulation courses in O&G at postgraduate centre Cambridge

Dr. Danielle Hall

Content Author - Paediatrics

Despite being the only girl to fail the school Religious Education exam in Year 7, Dani persevered in her academic studies graduating from Oxford and London Universities, and is fulfilling her dream job as a Paediatric Emergency Medicine Consultant at the Evelina London Children's Hospital. When…
Despite being the only girl to fail the school Religious Education exam in Year 7, Dani persevered in her academic studies graduating from Oxford and London Universities, and is fulfilling her dream job as a Paediatric Emergency Medicine Consultant at the Evelina London Children's Hospital. When she isn't busy making packed lunches or rushing her two monkeys between football and clarinet lessons she can usually be found in the Emergency Department or teaching undergraduate or postgraduate students (her other passion).  She has a particular interest in simulation training and is using this to form the bulk of her masters in medical education (when the kids actually let her near the laptop).

Dr. Tessa Davis

Content Author - Paediatrician

Tessa Davis is a Paediatrician specialising in Paediatric Emergency Medicine. She creates and delivers online learning resources for healthcare professionals. Tessa is passionate about the use of social networks and technology to improve patient care. She is a media commentator for child …
Tessa Davis is a Paediatrician specialising in Paediatric Emergency Medicine. She creates and delivers online learning resources for healthcare professionals. Tessa is passionate about the use of social networks and technology to improve patient care. She is a media commentator for child health issues and speaks about paediatrics and technology at conferences all over the world. Tessa is currently working in London.   In 2015 Tessa won the NSW Minister for Health Registrar of the Year Award.

Dr Gemma Cummins

Content Advisor- Neurology

Dr Gemma Cummins is a specialist registrar (ST5) in neurology at the National Hospital of Neurology and Neurosurgery, London. She graduated from the National University of Ireland, Galway. She subsequently worked as neurology house officer in Ireland and New Zealand before completing a one year post…
Dr Gemma Cummins is a specialist registrar (ST5) in neurology at the National Hospital of Neurology and Neurosurgery, London. She graduated from the National University of Ireland, Galway. She subsequently worked as neurology house officer in Ireland and New Zealand before completing a one year post as a clinical lecturer and registrar at the Dublin Neurological Institute. She did a clinical research fellowship in Cambridge, where her research focused on movement disorders and associated cognitive and neuropsychiatric symptoms. She is currently a neurology trainee in the East of England deanery. She previously worked as a journal reviews editor on the ACNR neurology journal    

Dr Sabine Fonderson

Content Author - Paediatrics

Dr Sabine Fonderson completed her medical studies in the Netherlands and moved to Scotland to pursue a career in emergency medicine. She has special interest in paediatrics and is currently enrolled at the University of Edinburgh studying paediatric emergency medicine. Her background in medical …
Dr Sabine Fonderson completed her medical studies in the Netherlands and moved to Scotland to pursue a career in emergency medicine. She has special interest in paediatrics and is currently enrolled at the University of Edinburgh studying paediatric emergency medicine. Her background in medical research has rekindled a passion to further her career in medical writing. When she is not busy working or studying, she enjoys travelling and raising funds for grassroot projects in Africa.

Dr Thomas Hester

Content Author - Orthopaedics

Thomas Hester FRCS(Tr&Orth) is an Orthopaedic Registrar in London with a specialist interest in Trauma and Foot & Ankle surgery. He has a keen interest in medical education and has previously been nominated for Top Teacher awards at both University College London and Kings College London for…
Thomas Hester FRCS(Tr&Orth) is an Orthopaedic Registrar in London with a specialist interest in Trauma and Foot & Ankle surgery. He has a keen interest in medical education and has previously been nominated for Top Teacher awards at both University College London and Kings College London for his efforts in medical student teaching. He has also published medical educational books and book chapters, research papers and medical Apps.

Dr Miguel Pereira

Content Author - ENT

  Dr Miguel Pereira received his medical training at the University of Lisbon and completed 3 years of specialty training in ENT in Portugal before undertaking a clinical research fellowship at the Massachusetts Eye and Ear Infirmary, USA. He has a special interest in medical research and holds…
  Dr Miguel Pereira received his medical training at the University of Lisbon and completed 3 years of specialty training in ENT in Portugal before undertaking a clinical research fellowship at the Massachusetts Eye and Ear Infirmary, USA. He has a special interest in medical research and holds a Masters in Biostatistics and completed the Clinical Scholars Research Training from Harvard Medical School-Portugal Program. He is currently working towards his PhD in Biostatistics at the Imperial College London.

Dr Ravi Ramessur

Content Author - Dermatology

Dr Ramessur completed his preclinical studies at Cambridge university and clinical studies at Oxford university. After completing his foundation programme in Cambridge, he is currently undertaking his core medical training at ULCH attaining his MRCP diploma in 2016. He has a particular interest …
Dr Ramessur completed his preclinical studies at Cambridge university and clinical studies at Oxford university. After completing his foundation programme in Cambridge, he is currently undertaking his core medical training at ULCH attaining his MRCP diploma in 2016. He has a particular interest dermatology and has a passion for teaching, having undertaken formal roles with Cambridge and UCL medical schools.

Amal Fayruz Adan

Marketing Manager

Amal studied BSc. Biomedical Sciences at the University of Manchester. She is interested in public health and in improving health and medical education in developing countries.

Nia Bevan

Content Contributor

Nia is a senior medical student at King’s College London. She is interested in holistic medicine, public health and has a passion for medical education.

Colum McGrady

London Ambassador

Colum McGrady studied Medical Sciences with Pharmacology at the University of Cambridge. He then underwent his clinical training at Barts and The London SMD where he is now in his final year. His research interests include mechanisms of multidrug resistance and biomarkers of bacterial infection. His…
Colum McGrady studied Medical Sciences with Pharmacology at the University of Cambridge. He then underwent his clinical training at Barts and The London SMD where he is now in his final year. His research interests include mechanisms of multidrug resistance and biomarkers of bacterial infection. His other interests are acute medicine and global surgery.

Geevithan Kumaran

London Ambassador

Geevithan Kumaran is a final year medical student at University College London. He has an intercalated BSc in Immunology, Infection and Cell Pathology and is interested in general medicine, public health and medical education.

Ruchi Maniar

Poland Ambassador

Ruchi is a 5th year medical student presenting Dem DX as a global ambassador in Eastern Europe. She has a BSc in biomedical informatics from SGUL and a MSc in genetics from Imperial College London. Ruchi has also worked in clinical research for over two years at Imperial College in nutrition …
Ruchi is a 5th year medical student presenting Dem DX as a global ambassador in Eastern Europe. She has a BSc in biomedical informatics from SGUL and a MSc in genetics from Imperial College London. Ruchi has also worked in clinical research for over two years at Imperial College in nutrition and dietetics. She is looking forward to using her skills and experiences as a Global Ambassador to help Dem DX grow as a medical diagnostic tool all over the world!

Michael Ajeleti

Poland Ambassador

Michael is a 5th year medical student and a global ambassador for Dem Dx in Eastern Europe. He has a BSc in Biomedical Science from Kingston University and he is an experienced educator of science obtaining his QTS from Canterbury Christ Church University. He is passionate about …
Michael is a 5th year medical student and a global ambassador for Dem Dx in Eastern Europe. He has a BSc in Biomedical Science from Kingston University and he is an experienced educator of science obtaining his QTS from Canterbury Christ Church University. He is passionate about working with people who want to make an impact in education and medicine. Michael is keen to use Dem Dx as a platform to encourage the younger generation to be excited about medicine and healthcare. He has a particular interest in cardiology and general surgery
I have found DEM DX a great and innovative new app. An incredibly useful tool for on the ward, in clinic and when studying'

GEEVITHAN KUMARAN

MEDICAL STUDENT, UNIVERSITY COLLEGE LONDON

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DEM DX is brilliant! So easy and intuitive to use! I can see how it will really help my understanding when going through clinical cases with doctors. 

PENNY DASH

SENIOR NURSE, CLINICAL RESEARCH, UCL HOSPITAL, LONDON

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DEM DX is amazing! There is simply nothing like this out there - and the images are an added bonus. Definitely a must have when working on the hospital wards!.

Dr LISA LINPOWER

JUNIOR DOCTOR, HOMERTON UNIVERSITY HOSPITAL, LONDON

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