[Leukemia problem: frequency and occurrence-searching etiologic factors].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia / Q000453:epidemiology* / Q000209:etiology; D008297:Male
Leukämie-Probleme: Häufigkeit und Vorkommen-Erforschung ätiologischer Faktoren.