title: Randomised trial of ambulatory oxygen in oxygen-dependent COPD.
authors.forename: I
authors.initials: I
authors.lastname: García-Talavera
mesh_terms: D000553:Ambulatory Care; D006801:Humans; D010102:Oxygen Inhalation Therapy; D029424:Pulmonary Disease, Chronic Obstructive / Q000628:therapy*