Science Explorer Interactive view Map

John Ryan

John Ryan publishes mostly in Epidemiology, Surgery and Genetics, on topics such as Liver Disease Diagnosis and Treatment, Iron Metabolism and Disorders and Liver Disease and Transplantation.

World rank
#1,104,977
of 1,633,909 ranked researchers
Rank in United States
#281,065
of 358,040
Works
34
Citations
23
Citations per work
0.7

What does John Ryan research?

Epidemiology: 14.3%Surgery: 11.9%Genetics: 7.1%Hepatology: 7.1%other fields: 59.6%14%top field
Epidemiology14.3%Surgery11.9%Genetics7.1%Hepatology7.1%other fields59.6%

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

  1. 1Epidemiology14% of their works
  2. 2Surgery12% of their works
  3. 3Genetics7% of their works
  4. 4Hepatology7% of their works
  5. 5Education7% of their works
  6. 6Hematology7% of their works

Research topics

Which keywords describe John Ryan's research?

The keywords of their largest research topics: NAFLD, NASH, Oxidative Stress, Epidemiology, Genetics, Hepatic Encephalopathy, Hepcidin and Iron Regulation.

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. NAFLD41 topic
  2. NASH41 topic
  3. Oxidative Stress32 topics
  4. Epidemiology22 topics
  5. Genetics22 topics
  6. Hepatic Encephalopathy21 topic
  7. Hepcidin21 topic
  8. Iron Regulation21 topic
  9. Liver Cirrhosis21 topic
  10. Autoimmunity11 topic
  11. Crohn's Disease11 topic
  12. Drug Analysis11 topic
  13. Endoplasmic Reticulum11 topic
  14. Forensic Toxicology11 topic
  15. Genetic Mutations11 topic
  16. Inflammatory Bowel Disease11 topic
  17. Neutropenia11 topic
  18. Stress11 topic
  19. Type 1 Diabetes11 topic

Where does John Ryan work?

John Ryan's main affiliation in the publication record is IQVIA (United States), United States.

How many publications and citations does John Ryan have?

Science Explorer counts 34 works and 23 citations for John Ryan, ranking #1,104,977 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.

Other researchers named John Ryan

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