[Management of a patient with cor pulmonale who refuses oxygen therapy due to chronic headache].
D006261:Headache / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy; D010349:Patient Compliance; D011660:Pulmonary Heart Disease / Q000150:complications / Q000451:nursing* / Q000628:therapy