title: Nocturnal oxygen therapy and hemodynamic changes in COPD.
mesh_terms: D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000517:prevention & control; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D010102:Oxygen Inhalation Therapy; D011660:Pulmonary Heart Disease / Q000517:prevention & control; D012891:Sleep Apnea Syndromes / Q000517:prevention & control