title: Limits for indication of long term oxygen therapy in chronic obstructive lung disease.
mesh_terms: D006439:Hemodynamics; D006801:Humans; D008134:Long-Term Care; D008173:Lung Diseases, Obstructive / Q000503:physiopathology / Q000628:therapy*; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D010313:Partial Pressure
chemical_list: D010100:Oxygen