title: Retroflexion in colonoscopy: why? Where? When? How? What value?
authors.affiliation: Department of Medicine, Division of Gastroenterology, Indiana University Health, Indianapolis, IN 46202, USA. drex@iupui.edu
authors.forename: Douglas K
authors.initials: DK
authors.lastname: Rex
authors.forename: Krishna C
authors.initials: KC
authors.lastname: Vemulapalli
mesh_terms: D003106:Colon / Q000473:pathology*; D003108:Colonic Diseases / Q000175:diagnosis*; D020685:Colonoscopes; D003113:Colonoscopy / Q000379:methods*; D004867:Equipment Design; D006801:Humans