title: International approaches to the prescription of long-term oxygen therapy.
authors.forename: M
authors.initials: M
authors.lastname: Tor
authors.forename: H
authors.initials: H
authors.lastname: Turker
mesh_terms: D006801:Humans; D007391:International Cooperation; D010102:Oxygen Inhalation Therapy; D010818:Practice Patterns, Physicians'; D029424:Pulmonary Disease, Chronic Obstructive / Q000628:therapy*; D013997:Time Factors