A consensus document on bowel preparation before colonoscopy: prepared by a task force from the American Society of Colon and Rectal Surgeons (ASCRS), the American Society for Gastrointestinal Endoscopy (ASGE), and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
Surg Endosc. 2006 Jul;20(7):1147-60.
doi: 10.1007/s00464-006-0152-y.
Epub 2006 Jun 8.