title: Therapeutic oxygen as a possible cause of pulmonary hemorrhage in premature infants.
mesh_terms: D001724:Birth Weight; D005260:Female; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D006819:Hyaline Membrane Disease / Q000209:etiology; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000209:etiology*; D008171:Lung Diseases / Q000209:etiology*; D008297:Male; D010102:Oxygen Inhalation Therapy / Q000009:adverse effects*; D011175:Positive-Pressure Respiration / Q000009:adverse effects; D012189:Retrospective Studies