title: Secondhand cigarette smoke worsens symptoms in children with asthma. Section on Allergy, Canadian Paediatric Society.
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000503:physiopathology*; D002648:Child; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008450:Maximal Midexpiratory Flow Rate; D010290:Parents; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
chemical_list: D014028:Tobacco Smoke Pollution