[Geographical correlation between colorectal cancer and schistosomiasis in China].
D002681:China; D003110:Colonic Neoplasms / Q000209:etiology / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D012004:Rectal Neoplasms / Q000209:etiology / Q000401:mortality*; D012552:Schistosomiasis / Q000150:complications / Q000401:mortality*