Relationship of air pollution to attack rate of asthma in children.
D000397:Air Pollution; D001249:Asthma; D002648:Child; D004636:Emergency Service, Hospital; D006801:Humans; D009017:Morbidity; D009519:New York City; D010361:Patients; D012906:Smoke; D013458:Sulfur Dioxide
D012906:Smoke; D013458:Sulfur Dioxide