Triage by flexible sigmoidoscopy: inevitably "short-sighted".
Ahlquist
D A
DA
D000236:Adenoma / Q000175:diagnosis / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control; D006801:Humans; D008403:Mass Screening; D015995:Prevalence; D012812:Sigmoidoscopy / Q000379:methods*; D014218:Triage