[Prevalence of bronchial asthma in school children in western Japan].
D000293:Adolescent; D000367:Age Factors; D001249:Asthma / Q000453:epidemiology*; D002648:Child; D005260:Female; D006361:Heating; D006801:Humans; D007564:Japan; D008019:Life Style; D008297:Male; D012737:Sex Factors; D012907:Smoking