[On the incidence of colon polypi in ulcerative colitis].
D003092:Colitis; D003093:Colitis, Ulcerative / Q000150:complications*; D003110:Colonic Neoplasms; D006801:Humans; D015994:Incidence; D011127:Polyps / Q000209:etiology*
COLITIS, ULCERATIVE/complications; COLON/neoplasms; POLYPI/etiology