[Preliminary analyses of the distribution of esophageal cancer mortality rate, the geographical environment, and the chemical elements in food and drinking water in Anyang district, Henan province (author's transl)].
D002681:China; D002523:Edible Grain / Q000032:analysis; D004938:Esophageal Neoplasms / Q000209:etiology / Q000401:mortality*; D005843:Geography; D006801:Humans; D014675:Vegetables / Q000032:analysis; D014881:Water Supply / Q000032:analysis