[Statistical observation on the pupils with bronchial asthma in the elementary and junior high schools in Hidaka counry].
D000293:Adolescent; D001249:Asthma / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008572:Menarche; D011627:Puberty; D014831:Voice