A case-control study of esophageal cancer in Linxian, People's Republic of China.
A case-control study involving interviews with 1,200 patients with esophageal cancer and 1,200 population-based controls has been initiated in Linxian, a county in North Central China with perhaps the world's highest mortality rates for this tumor. Here we describe the rationale, study methods, and results of a pilot study that established the feasibility of the investigation.
D002681:China; D003710:Demography; D004032:Diet; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D007407:Interviews as Topic; D008297:Male