Napoli
Italy
Istituto Nazionale Tumori - IRCCS Fondazione G. Pascale - Division of Gastroenterology and Digestive Endoscopy
colonoscopy; low-volume bowel preparations; Sodium Picosulphate plus Magnesium Citrate; Polyethylene Glycol plus Ascorbic Acid; bowel cleansing; acceptability; compliance; randomized clinical trial