title: Comparative trials including a beta 2 adrenergic agonist, a methylxanthine, and a mast cell stabilizer.
mesh_terms: D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D000420:Albuterol / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy; D001288:Attention / Q000187:drug effects; D002648:Child; D004205:Cromolyn Sodium / Q000627:therapeutic use; D004306:Dose-Response Relationship, Immunologic; D004311:Double-Blind Method; D006801:Humans; D008407:Mast Cells / Q000187:drug effects*; D010919:Placebos; D013806:Theophylline / Q000627:therapeutic use; D014970:Xanthines / Q000627:therapeutic use*
chemical_list: D000318:Adrenergic beta-Agonists; D010919:Placebos; D014970:Xanthines; C008514:methylxanthine; D013806:Theophylline; D004205:Cromolyn Sodium; D000420:Albuterol