Value of routine sigmoidoscopies.
D000368:Aged; D003108:Colonic Diseases / Q000175:diagnosis; D003110:Colonic Neoplasms / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis; D012812:Sigmoidoscopy