title: Quality assurance in gastroenterology.
authors.affiliation: Digestive Disease Center, Medical University of South Carolina, Charleston, 29425-2900, USA.
authors.forename: Peter B
authors.initials: PB
authors.lastname: Cotton
authors.forename: Michael
authors.initials: M
authors.lastname: Bretthauer
mesh_terms: D016099:Endoscopy, Gastrointestinal / Q000592:standards; D005762:Gastroenterology / Q000592:standards*; D006801:Humans; D011785:Quality Assurance, Health Care / Q000592:standards*