title: Water exchange may be superior to water immersion for colonoscopy.
authors.forename: Felix W
authors.initials: FW
authors.lastname: Leung
mesh_terms: D003113:Colonoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D006993:Hypnotics and Sedatives / Q000008:administration & dosage*; D007440:Intubation / Q000379:methods*; D008297:Male
chemical_list: D006993:Hypnotics and Sedatives