[A survey of risk factors of colo-rectal cancer in high-incidence area Jia-san county].
Jiao
D A
DA
D000328:Adult; D000368:Aged; D002681:China; D003110:Colonic Neoplasms / Q000453:epidemiology* / Q000209:etiology; D004813:Epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000453:epidemiology* / Q000209:etiology; D012307:Risk Factors