title: Small-volume nebulizers versus metered-dose inhalers.
authors.forename: W C
authors.initials: WC
authors.lastname: Miller
authors.forename: J W
authors.initials: JW
authors.lastname: Mason
mesh_terms: D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D009330:Nebulizers and Vaporizers
chemical_list: D001993:Bronchodilator Agents