title: Technical competency in flexible sigmoidoscopy.
authors: K
authors: K
authors: Ramakrishnan
mesh_terms: D002983:Clinical Competence; D003110:Colonic Neoplasms / Q000175:diagnosis; D006801:Humans; D020694:Sigmoidoscopes; D012812:Sigmoidoscopy / Q000379:methods / Q000592:standards*; D014481:United States