Controlled assessment of beta2 adrenergic therapy for childhood asthma.
D000293:Adolescent; D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy* / Q000503:physiopathology; D002648:Child; D002794:Choline / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D004809:Ephedrine / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D009921:Metaproterenol / Q000627:therapeutic use; D010919:Placebos; D013147:Spirometry; D013806:Theophylline / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000627:therapeutic use
D000318:Adrenergic beta-Agonists; D010919:Placebos; D009921:Metaproterenol; D013806:Theophylline; D004809:Ephedrine; D002794:Choline