title: Supplemental oxygen in COPD.
authors.forename: T
authors.initials: T
authors.lastname: Ringbaek
mesh_terms: D005080:Exercise Test / Q000379:methods; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000534:rehabilitation*; D010100:Oxygen / Q000627:therapeutic use*
chemical_list: D010100:Oxygen