title: Long-term oxygen therapy in COPD patients with moderate hypoxaemia: does it add years to life?
authors.forename: J
authors.initials: J
authors.lastname: Zieliński
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D000860:Hypoxia / Q000209:etiology / Q000628:therapy*; D008017:Life Expectancy; D008134:Long-Term Care; D008173:Lung Diseases, Obstructive / Q000150:complications / Q000628:therapy*; D010102:Oxygen Inhalation Therapy