Sigmoidoscopy in detection and diagnosis in the asymptomatic individual.
D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000401:mortality; D012189:Retrospective Studies; D012811:Sigmoid Neoplasms / Q000175:diagnosis* / Q000401:mortality; D012812:Sigmoidoscopy / Q000009:adverse effects / Q000401:mortality / Q000706:statistics & numerical data; D013997:Time Factors