title: The impact of colonoscopy on the problem of colorectal cancer.
mesh_terms: D001466:Barium Sulfate; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000601:surgery; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods; D005260:Female; D005471:Fluoroscopy; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis / Q000601:surgery; D008297:Male; D011183:Postoperative Complications / Q000209:etiology; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000601:surgery; D020694:Sigmoidoscopes; D012812:Sigmoidoscopy / Q000266:history; D014481:United States
chemical_list: D001466:Barium Sulfate