title: Metered dose inhalers. Safe if used properly.
authors.forename: F G
authors.initials: FG
authors.lastname: Simpson
mesh_terms: D000318:Adrenergic beta-Agonists / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D009330:Nebulizers and Vaporizers; D010353:Patient Education as Topic; D012449:Safety
chemical_list: D000318:Adrenergic beta-Agonists