Kottapalli, V Effectiveness of polyethylene glycol antegrade gut lavage bowel preparation for colonoscopy--timing is the key? [electronic resource] - Gastrointestinal endoscopy Nov 1999 - 726-7 p. digital Publication Type: Journal Article ISSN: 0016-5107 Standard No.: 10.1016/s0016-5107(99)80036-4 doi Subjects--Topical Terms: ColonColonoscopy--methodsHumansPolyethylene Glycols--administration & dosageTherapeutic Irrigation--methodsTime Factors