title: Pneumothorax, mechanical ventilation, and periventricular haemorrhage.
mesh_terms: D002543:Cerebral Hemorrhage / Q000209:etiology*; D002552:Cerebral Ventricles; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000628:therapy; D008297:Male; D011030:Pneumothorax / Q000150:complications*; D012121:Respiration, Artificial / Q000009:adverse effects*