Air pollution and asthma in Yokkaichi.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000397:Air Pollution; D001249:Asthma / Q000453:epidemiology*; D001991:Bronchitis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D004391:Dust; D006801:Humans; D007564:Japan; D008403:Mass Screening; D008875:Middle Aged; D012882:Skin Tests; D013458:Sulfur Dioxide / Q000032:analysis
D004391:Dust; D013458:Sulfur Dioxide