title: Metered dose inhalers: the value of instruction.
authors.forename: D
authors.initials: D
authors.lastname: Smith
mesh_terms: D001993:Bronchodilator Agents / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009330:Nebulizers and Vaporizers; D010353:Patient Education as Topic
chemical_list: D001993:Bronchodilator Agents