title: Does pulmonary arterial hypertension influence the prognosis in patients with chronic obstructive lung disease?
mesh_terms: D006333:Heart Failure / Q000209:etiology; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology* / Q000628:therapy; D008173:Lung Diseases, Obstructive / Q000150:complications* / Q000628:therapy; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy; D011379:Prognosis; D011652:Pulmonary Circulation; D014655:Vascular Resistance
chemical_list: D010100:Oxygen