[A case-control study of liver cancer in the rural area of Huarong County, Hunan Province].
D000437:Alcoholism / Q000150:complications; D002681:China; D006801:Humans; D008113:Liver Neoplasms / Q000209:etiology* / Q000235:genetics; D008288:Malaria / Q000150:complications; D012424:Rural Population; D011795:Surveys and Questionnaires