title: Effects of 2 and 4 l/min oxygen breathing on pulmonary artery pressure, blood gases and sleep stages in patients with chronic obstructive lung disease.
mesh_terms: D001794:Blood Pressure; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology* / Q000628:therapy; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy; D011651:Pulmonary Artery / Q000503:physiopathology*; D012894:Sleep Stages
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen