Proctosigmoidoscopy-incidence of polyps in 50,000 examinations.
D003110:Colonic Neoplasms; D006801:Humans; D015994:Incidence; D010808:Physical Examination; D011127:Polyps / Q000175:diagnosis*; D012004:Rectal Neoplasms; D012007:Rectum; D012812:Sigmoidoscopy
COLON/neoplasms; POLYPI/diagnosis; RECTUM/neoplasms; SIGMOIDOSCOPY