title: [Oxygen concentrators in long-term home oxygen therapy].
mesh_terms: D000368:Aged; D005069:Evaluation Studies as Topic; D005260:Female; D006701:Home Nursing; D006801:Humans; D008297:Male; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*; D012140:Respiratory Tract Diseases / Q000628:therapy