[Clinical and epidemiological studies of leukemia clusters in the Chugoku and Kyushu districts].
D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007564:Japan; D007938:Leukemia / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D013997:Time Factors