Myths and facts about beta 2-agonist inhalers for asthma.
D000318:Adrenergic beta-Agonists / Q000008:administration & dosage* / Q000009:adverse effects; D000336:Aerosols; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D013806:Theophylline / Q000008:administration & dosage
D000318:Adrenergic beta-Agonists; D000336:Aerosols; D013806:Theophylline