JJ
John Johanson
Gastroenterology
Credentials: · ·
History
Gastroenterology
Internal Medicine
Research
Colonoscopic withdrawal times and adenoma detection during screening colonoscopy
New England Journal of Medicine · 2006 · 1,095 citations
Epidemiology of constipation in North America: a systematic review
Systematic review or meta-analysis · The American Journal of Gastroenterology · 2004 · 711 citations
Guideline for the management of ingested foreign bodies
Gastrointestinal Endoscopy · 2002 · 406 citations
- GE
14 papers

13 papers
- JW
13 papers

13 papers

13 papers

13 papers

11 papers

11 papers

