[The difference between the urinary selenium excretion of the children in the endemic and non-endemic areas of Keshan disease (author's transl)].
D002675:Child, Preschool; D006197:Hair / Q000032:analysis; D006801:Humans; D008297:Male; D012643:Selenium / Q000032:analysis / Q000172:deficiency* / Q000652:urine
D012643:Selenium