|1||Not yet recruiting||
Colon Cleansing Quality of Polyethylene Glycol Compared With Polyethylene Glycol Plus Ascorbic Acid.
Low-volume Polyethylene Glycol Bowel Preparation for Colonoscopy
Prospective Randomized Controlled Trial Comparing Water and Air Colonoscopy in a Community Based Setting
† Indicates status has not been verified in more than two years