title: When to suspect sleep apnea--the "Pickwickian Syndrome".
mesh_terms: D000402:Airway Obstruction / Q000503:physiopathology; D001049:Apnea / Q000175:diagnosis*; D006801:Humans; D010845:Obesity Hypoventilation Syndrome / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy