title: [Additional benefits of inhalation therapy with two bronchodilators with different mechanisms of action].
authors.affiliation: Horten-Zentrum für praxisorientierte Forschung und Wissenstransfer, Universitätspital Zürich. flore.geismann@usz.ch
authors.forename: F
authors.initials: F
authors.lastname: Huber-Geismann