Keswani, Rajesh N Single-balloon colonoscopy versus repeat standard colonoscopy for previous incomplete colonoscopy: a randomized, controlled trial. [electronic resource] - Gastrointestinal endoscopy Mar 2011 - 507-12 p. digital Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 1097-6779 Standard No.: 10.1016/j.gie.2010.09.047 doi Subjects--Topical Terms: Adenoma--diagnosisAdultAgedCecumColonic Polyps--diagnosisColonoscopesColonoscopy--methodsCross-Over StudiesFemaleHumansMaleMiddle AgedProspective StudiesTime and Motion Studies