Polyethylene Glycol versus Sodium Phosphate in bowel cleansing for colonoscopy: a randomized trial
Huppertz-Hauss G, Bretthauer M, Sauar J, Paulsen J, Kjellevold Ø, Majak B, Hoff G.
Polyethylene Glycol versus Sodium Phosphate in bowel cleansing for colonoscopy: a randomized trial.
Endoscopy 2005;37:537-41