John McGowan

A Randomized, Multicenter, Placebo-Controlled Trial of Polyethylene Glycol Laxative for Chronic Treatment of Chronic Constipation

Jack A. DiPalma, Mark Cleveland, John McGowan et al. · The American Journal of Gastroenterology · 2007 · 215 citations

A Randomized Clinical Study Evaluating the Safety and Efficacy of a New, Reduced-Volume, Oral Sulfate Colon-Cleansing Preparation for Colonoscopy

Jack A. Di Palma, Reynaldo Rodríguez, John McGowan et al. · The American Journal of Gastroenterology · 2009 · 159 citations

PEG3350 in the Treatment of Childhood Constipation: A Multicenter, Double-Blinded, Placebo-Controlled Trial

Samuel Nurko, Nader N. Youssef, Mahmoud Sabri et al. · The Journal of Pediatrics · 2008 · 117 citations

Childhood Constipation, Functional Gastrointestinal Disorder, Gastroenterology +4

A randomized clinical study comparing reduced-volume oral sulfate solution with standard 4-liter sulfate-free electrolyte lavage solution as preparation for colonoscopy

Douglas K. Rex, Jack A. Di Palma, Reynaldo Rodríguez et al. · Gastrointestinal Endoscopy · 2010 · 108 citations

Urology, Randomized Clinical Study, Gastroenterology +2

Improving the Quality of Colonoscopy Bowel Preparation Using an Educational Video

Sateesh R Prakash, Siddharth Verma, John McGowan et al. · Canadian Journal of Gastroenterology · 2013 · 87 citations · Full text