Nutritional bio-geochemical etiology of Keshan disease.
D009202:Cardiomyopathies / Q000209:etiology* / Q000517:prevention & control; D002681:China; D004032:Diet; D006801:Humans; D012643:Selenium / Q000172:deficiency*; D012987:Soil / Q000032:analysis; D014881:Water Supply / Q000032:analysis
D012987:Soil; D012643:Selenium