title: Inhaler use: tell patients  to purse their lips.
authors.forename: David
authors.initials: D
authors.lastname: Lubin
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D009330:Nebulizers and Vaporizers; D010353:Patient Education as Topic; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*