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World rank
#165,567
of 7,710,434 ranked researchers
Rank in United States
#62,087
of 1,627,098
Works
162
Citations
14k
Citations per work
89.5
h-index
55
i10-index 102Top 1% in Surgery

What does John F. Johanson research?

John F. Johanson's work is mostly in Medicine (72%), Health Professions (3%).

Health Sciences75%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine11772.0%
    2. Health Professions53.1%
  1. Everything else4024.9%
  1. 1Surgery28% of their works
  2. 2Gastroenterology23% of their works
  3. 3Pulmonary and Respiratory Medicine9% of their works
  4. 4Oncology8% of their works
  5. 5Epidemiology4% of their works
  6. 6General Health Professions3% of their works

Research topics

Which keywords describe John F. Johanson's research?

The keywords of their largest research topics: Inflammation, Gastrointestinal Disorders, Irritable Bowel Syndrome, Prevention, Esophageal Motility Disorders, Gastroesophageal Reflux Disease, Gastric Cancer and Colorectal Cancer.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 19 words, with their numbers
  1. Inflammation622 topics
  2. Gastrointestinal Disorders471 topic
  3. Irritable Bowel Syndrome471 topic
  4. Prevention392 topics
  5. Esophageal Motility Disorders361 topic
  6. Gastroesophageal Reflux Disease361 topic
  7. Gastric Cancer332 topics
  8. Colorectal Cancer241 topic
  9. Screening241 topic
  10. Endoscopic Stenting221 topic
  11. Esophageal Perforation221 topic
  12. Chemotherapy181 topic
  13. Endoscopic Resection181 topic
  14. Antibiotic Resistance151 topic
  15. Helicobacter pylori151 topic
  16. Cholecystitis141 topic
  17. ERCP141 topic
  18. Fistulas131 topic
  19. Hemorrhoids131 topic

Where does John F. Johanson work?

John F. Johanson's main affiliation in the publication record is Rockford University, United States.

How many publications and citations does John F. Johanson have?

OpenAlex counts 162 works and 14,494 citations for John F. Johanson, an h-index of 55, ranking #165,567 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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