Controversies in the management of cancer of the colon and rectum: a questionnaire course.
D002648:Child; D003110:Colonic Neoplasms / Q000601:surgery / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000601:surgery / Q000628:therapy*