Tonsils and pulmonary hypertension.
D000233:Adenoidectomy; D000234:Adenoids; D002675:Child, Preschool; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D007040:Hypoventilation / Q000150:complications; D014068:Tonsillectomy; D014069:Tonsillitis / Q000150:complications*