title: Observations on effect of sodium selenite in prevention of Keshan disease.
mesh_terms: D009202:Cardiomyopathies / Q000453:epidemiology / Q000517:prevention & control*; D002648:Child; D002675:Child, Preschool; D002681:China; D006801:Humans; D007223:Infant; D011379:Prognosis; D012643:Selenium / Q000627:therapeutic use*
chemical_list: D012643:Selenium