术前束腹胸式呼吸训练预防老年患者腹部手术后肺部并发症的临床研究
술전속복흉식호흡훈련예방노년환자복부수술후폐부병발증적림상연구
Prevention of respiratory complications after abdominal surgery in elderly patients by preoperative abdominal binding thoracic breathing exercise
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