title: Inhalation with spacer.
authors.forename: Martin H
authors.initials: MH
authors.lastname: Schöni
authors.forename: Jürg
authors.initials: J
authors.lastname: Barben
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D002648:Child; D006801:Humans; D036503:Inhalation Spacers; D036501:Metered Dose Inhalers; D010506:Periodicals as Topic; D010819:Physician's Role; D017410:Practice Guidelines as Topic