title: Studies of childhood leukemia in Surabaya, East-Java. I. Some epidemiologic observations.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007214:Indonesia; D007223:Infant; D007938:Leukemia / Q000453:epidemiology*; D008297:Male; D012621:Seasons