Primary alveolar hypoventilation.
D001784:Blood Gas Analysis; D006801:Humans; D006935:Hypercapnia / Q000503:physiopathology; D007040:Hypoventilation / Q000503:physiopathology; D000860:Hypoxia / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011650:Pulmonary Alveoli / Q000503:physiopathology