Science Explorer Interactive view Map

Roger W. Chapman

Roger W. Chapman publishes mostly in Hepatology, Epidemiology and Surgery, on topics such as Liver Diseases and Immunity, Liver Disease Diagnosis and Treatment and Pediatric Hepatobiliary Diseases and Treatments.

World rank
#39,966
of 1,633,909 ranked researchers
Rank in United Kingdom
#3,764
of 90,785
Works
42
Citations
272
Citations per work
6.5

What does Roger W. Chapman research?

Hepatology: 32.1%Epidemiology: 20.8%Surgery: 18.9%Pulmonary and Respiratory Medicine: 11.3%other fields: 16.9%32%top field
Hepatology32.1%Epidemiology20.8%Surgery18.9%Pulmonary and Respiratory Medicine11.3%other fields16.9%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Hepatology32% of their works
  2. 2Epidemiology21% of their works
  3. 3Surgery19% of their works
  4. 4Pulmonary and Respiratory Medicine11% of their works
  5. 5Rheumatology6% of their works
  6. 6Health, Toxicology and Mutagenesis2% of their works

Research topics

Which keywords describe Roger W. Chapman's research?

The keywords of their largest research topics: Liver Transplantation, Epidemiology, Autoimmune Hepatitis, Primary Biliary Cirrhosis, NAFLD, NASH, Alagille Syndrome and Biliary Atresia.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Liver Transplantation182 topics
  2. Epidemiology173 topics
  3. Autoimmune Hepatitis131 topic
  4. Primary Biliary Cirrhosis131 topic
  5. NAFLD101 topic
  6. NASH101 topic
  7. Alagille Syndrome51 topic
  8. Biliary Atresia51 topic
  9. Cholangiocarcinoma52 topics
  10. Cholecystitis31 topic
  11. ERCP31 topic
  12. Antiphospholipid Syndrome21 topic
  13. Biliary Tract Cancer21 topic
  14. Hepatitis E Virus21 topic
  15. Intrahepatic Cholangiocarcinoma21 topic
  16. Systemic Lupus Erythematosus21 topic
  17. Zoonotic Transmission21 topic
  18. NK Cell Recognition11 topic
  19. Natural Killer Cells11 topic

Where does Roger W. Chapman work?

Roger W. Chapman's main affiliation in the publication record is John Radcliffe Hospital, United Kingdom.

How many publications and citations does Roger W. Chapman have?

Science Explorer counts 42 works and 272 citations for Roger W. Chapman, ranking #39,966 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.