无创通气辅助治疗肺源性心脏病合并Ⅱ型呼吸衰竭的临床效果分析
무창통기보조치료폐원성심장병합병Ⅱ형호흡쇠갈적림상효과분석
The analysis of the clinical effects of noninvasive ventilation adjuvant treatment of pulmonary heart disease with type Ⅱ respiratory failure