title: Comparative studies of selective beta2 adrenoceptor agonist aerosols.
mesh_terms: D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D000336:Aerosols; D000402:Airway Obstruction / Q000188:drug therapy*; D006801:Humans
chemical_list: D000318:Adrenergic beta-Agonists; D000336:Aerosols