Bowel Preparation for Colonoscopy with Sodium Phosphate Solution versus Polyethylene Glycol-Based Lavage: A Multicenter Trial
S. Schanz, W. Kruis, O. Mickisch, B. Küppers, P. Berg, B. Frick, G. Heiland, D. Hüppe, B. Schenck, H. Horstkotte, and A. Winkler
Diagn Ther Endosc. 2008; 2008: 713521. Published online 2008 July 14. doi: 10.1155/2008/713521.PMCID: PMC2465015