老年肝癌切除术患者围术期应用纤维支气管镜吸痰对低氧血症及肺部感染的影响
노년간암절제술환자위술기응용섬유지기관경흡담대저양혈증급폐부감염적영향
Effect on hypoxemia and lung infection by fiberoptic bronchoscopy suctioning in elderly patients underwent hepatectomy during perioperative period
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