Debra Helper

Cecal insertion and withdrawal times with wide-angle versus standard colonoscopes: a randomized controlled trial.

Douglas K Rex, Richard Rothstein, D. Rex, 2008, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Wide-Angle (WA) (170° Angle of View) Versus Standard (ST) (140°Angle of View) Colonoscopy

Omar Nehme, Hala Fatima, Emad Rahmani, 2006 .