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Researcher · Eastern Virginia Medical School · United States

David A. Johnson

David A. Johnson publishes mostly in Surgery, Gastroenterology and Pulmonary and Respiratory Medicine, on topics such as Gastroesophageal reflux and treatments, Eosinophilic Esophagitis and Esophageal and GI Pathology.

OpenAlex
World rank
#963,069
of 1,633,909 ranked researchers
Rank in United States
#257,799
of 358,040
Works
159
Citations
86
Citations per work
0.5

What does David A. Johnson research?

Surgery: 40.1%Gastroenterology: 17.1%Pulmonary and Respiratory Medicine: 7.2%Oncology: 5.0%other fields: 30.6%40%top field
Surgery40.1%Gastroenterology17.1%Pulmonary and Respiratory Medicine7.2%Oncology5.0%other fields30.6%

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

  1. 1Surgery40% of their works
  2. 2Gastroenterology17% of their works
  3. 3Pulmonary and Respiratory Medicine7% of their works
  4. 4Oncology5% of their works
  5. 5Rheumatology4% of their works
  6. 6Speech and Hearing3% of their works

Research topics

Which keywords describe David A. Johnson's research?

The keywords of their largest research topics: Epidemiology, Esophageal Motility Disorders, Gastroesophageal Reflux Disease, Guidelines, Diagnosis, Eosinophilic Esophagitis, Endoscopic Stenting and Esophageal Perforation.

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. Epidemiology733 topics
  2. Esophageal Motility Disorders341 topic
  3. Gastroesophageal Reflux Disease341 topic
  4. Guidelines342 topics
  5. Diagnosis271 topic
  6. Eosinophilic Esophagitis271 topic
  7. Endoscopic Stenting241 topic
  8. Esophageal Perforation241 topic
  9. Prevention212 topics
  10. Gastric Cancer141 topic
  11. Helicobacter pylori141 topic
  12. Esophageal Carcinoma121 topic
  13. Preoperative Chemoradiotherapy121 topic
  14. Fusion Genes81 topic
  15. Hypereosinophilic Syndrome81 topic
  16. Colorectal Cancer71 topic
  17. Dysphagia71 topic
  18. Screening71 topic
  19. Swallowing71 topic

Where does David A. Johnson work?

David A. Johnson's main affiliation in the publication record is Eastern Virginia Medical School, United States.

How many publications and citations does David A. Johnson have?

Science Explorer counts 159 works and 86 citations for David A. Johnson, ranking #963,069 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 David A. Johnson

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