Endoscopic studies of colon polyps and polyposis.
D000368:Aged; D000818:Animals; D003110:Colonic Neoplasms / Q000175:diagnosis*; D004724:Endoscopy; D005336:Fiber Optic Technology; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D051381:Rats; D020694:Sigmoidoscopes