title: Use of positive end-expiratory pressure to improve oxygenation.
mesh_terms: D006259:Craniocerebral Trauma / Q000150:complications; D006396:Hematemesis / Q000150:complications; D006801:Humans; D008297:Male; D008551:Melena / Q000150:complications; D010100:Oxygen / Q000097:blood*; D011175:Positive-Pressure Respiration; D011859:Radiography; D012131:Respiratory Insufficiency / Q000000981:diagnostic imaging / Q000209:etiology / Q000628:therapy*; D013898:Thoracic Injuries / Q000150:complications
chemical_list: D010100:Oxygen