title: Non-invasive positive pressure ventilation in patients with stable hypercapnic COPD: light at the end of the tunnel?
authors.forename: Bernd
authors.initials: B
authors.lastname: Schönhofer
mesh_terms: D006801:Humans; D006935:Hypercapnia / Q000628:therapy*; D011175:Positive-Pressure Respiration / Q000379:methods*; D029424:Pulmonary Disease, Chronic Obstructive / Q000628:therapy*; D016896:Treatment Outcome