The value of routine proctosigmoidoscopy in hospitalized patients.
D000230:Adenocarcinoma / Q000175:diagnosis; D000328:Adult; D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000175:diagnosis*; D012811:Sigmoid Neoplasms / Q000175:diagnosis*; D012812:Sigmoidoscopy