Michael J. O’Brien

Prevention of Colorectal Cancer by Colonoscopic Polypectomy

Sidney J. Winawer, Ann G. Zauber, May Nah Ho et al. · New England Journal of Medicine · 1993 · 4.6K citations · Full text

Colonoscopic Polypectomy and Long-Term Prevention of Colorectal-Cancer Deaths

Ann G. Zauber, Sidney J. Winawer, Michael J. O’Brien et al. · New England Journal of Medicine · 2012 · 3.1K citations · Full text

Serrated Lesions of the Colorectum: Review and Recommendations From an Expert Panel

Douglas K. Rex, Dennis J. Ahnen, John A. Baron et al. · The American Journal of Gastroenterology · 2012 · 1.1K citations · Full text

Expert Opinion, Colorectal Surgery, Expert Panel +14

Randomized Comparison of Surveillance Intervals after Colonoscopic Removal of Newly Diagnosed Adenomatous Polyps

Sidney J. Winawer, Ann G. Zauber, Michael J. O’Brien et al. · New England Journal of Medicine · 1993 · 969 citations · Full text

The National Polyp Study

Michael J. O’Brien, Sidney J. Winawer, Ann G. Zauber et al. · Gastroenterology · 1990 · 817 citations · Full text