title: Flexible sigmoidoscopy.
mesh_terms: D002983:Clinical Competence / Q000592:standards; D015179:Colorectal Neoplasms / Q000175:diagnosis; D003406:Credentialing / Q000592:standards*; D004502:Education, Medical, Continuing / Q000592:standards*; D005762:Gastroenterology / Q000193:education* / Q000592:standards; D006801:Humans; D007591:Joint Commission on Accreditation of Healthcare Organizations; D008504:Medical Staff Privileges / Q000193:education / Q000592:standards; D012812:Sigmoidoscopy / Q000379:methods / Q000592:standards*; D012955:Societies, Medical; D014481:United States