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Researcher · McMaster University · Canada

David G. Armstrong

David G. Armstrong publishes mostly in Surgery, Gastroenterology and Pulmonary and Respiratory Medicine, on topics such as Gastroesophageal reflux and treatments, Helicobacter pylori-related gastroenterology studies and Gastrointestinal motility and disorders.

ORCID 0000-0003-2487-1479 OpenAlex
World rank
#642,947
of 7,710,434 ranked researchers
Rank in Canada
#22,275
of 183,316
Works
497
Citations
20k
Citations per work
40.8
h-index
60
i10-index 240Top 0.8% in Surgery
David G. Armstrong

What does David G. Armstrong research?

David G. Armstrong's work is mostly in Medicine (65%), Nursing (4%).

Health Sciences: 343 works · 69.0% of their workMedicine: 323 works · 65.0% of their workSurgery: 132 works · 26.5% of their workGastroenterology: 116 works · 23.3% of their workPulmonary and Respiratory Medicine: 30 works · 6.1% of their workOncology: 25 works · 5.1% of their workEpidemiology: 20 works · 4.0% of their workNursing: 20 works · 4.0% of their workNutrition and Dietetics: 20 works · 4.0% of their workEverything else: 154 works · 31.0% of their workTHEIR WORKDavid G.Armstrong497works
Health Sciences69%

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. Medicine32365.0%
    2. Nursing204.0%
  2. Everything else15431.0%
  1. 1Surgery26% of their works
  2. 2Gastroenterology23% of their works
  3. 3Pulmonary and Respiratory Medicine6% of their works
  4. 4Oncology5% of their works
  5. 5Epidemiology4% of their works
  6. 6Nutrition and Dietetics4% of their works

Research topics

Which keywords describe David G. Armstrong's research?

The keywords of their largest research topics: Epidemiology, Inflammation, Proton Pump Inhibitors, Prevention, Esophageal Motility Disorders, Gastroesophageal Reflux Disease, Gastric Cancer and Helicobacter pylori.

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 24 words, with their numbers
  1. Epidemiology2923 topics
  2. Inflammation2112 topics
  3. Proton Pump Inhibitors2042 topics
  4. Prevention1672 topics
  5. Esophageal Motility Disorders1651 topic
  6. Gastroesophageal Reflux Disease1651 topic
  7. Gastric Cancer1261 topic
  8. Helicobacter pylori1261 topic
  9. Guidelines1222 topics
  10. Intestinal Permeability1222 topics
  11. Diagnosis1182 topics
  12. Management1182 topics
  13. Gastrointestinal Disorders851 topic
  14. Irritable Bowel Syndrome851 topic
  15. Children811 topic
  16. Eosinophilic Esophagitis811 topic
  17. Esophageal Carcinoma461 topic
  18. Preoperative Chemoradiotherapy461 topic
  19. Colorectal Cancer411 topic
  20. Screening411 topic
  21. Collagenous Colitis391 topic
  22. Microscopic Colitis391 topic
  23. Celiac Disease371 topic
  24. Gluten Sensitivity371 topic

Where does David G. Armstrong work?

David G. Armstrong's main affiliation in the publication record is McMaster University, Canada.

How many publications and citations does David G. Armstrong have?

OpenAlex counts 497 works and 20,295 citations for David G. Armstrong, an h-index of 60, ranking #642,947 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.

Other researchers named David G. Armstrong

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Discussion

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