... negative expiratory pressure 呼气负压 negative expiratory pressure technique 负压呼气技术 negative nitrogen balance 负氮平衡 ...
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Methods Negative expiratory pressure technique was performed in 13 special COPD patients who did not accomplish routine pulmonary function tests.
方法采用呼气负压技术检测13例不能完成常规肺功能检查的COPD患者呼气流速受限。
Objective to detect the expiratory flow limitation (EFL) with a new simple technique, expiratory negative pressure technique (NEP) in patients with chronic obstructive pulmonary disease (COPD).
目的：应用呼气负压技术(NEP)检测慢性阻塞性肺疾病(COPD)患者的呼气流速受限(efl)。
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