title: Compliance of COPD patients with long term oxygen therapy.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008134:Long-Term Care; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy; D010349:Patient Compliance