Polyps of the colon and rectum; a four-year to nine-year follow-up study of five hundred thirty-seven patients.
D003110:Colonic Neoplasms; D005500:Follow-Up Studies; D006801:Humans; D008499:Medical Records; D011127:Polyps; D012004:Rectal Neoplasms; D012007:Rectum
COLON/neoplasms; POLYPI/case reports; RECTUM/neoplasms