Optimizing adequacy of bowel cleansing for colonoscopy: recommendations from the US multi-society task force on colorectal cancer.
David A Johnson, Alan N Barkun, Larry B Cohen, Jason A Dominitz, Tonya Kaltenbach, Myriam Martel, Douglas J Robertson, C Richard Boland, Frances M Giardello, David A Lieberman, Theodore R Levin, Douglas K Rex