无创机械通气治疗慢性阻塞性肺疾病伴Ⅱ型呼吸衰竭的临床疗效
무창궤계통기치료만성조새성폐질병반Ⅱ형호흡쇠갈적림상료효
Clinical Efficacy of Noninvasive Positive Pressure Ventilation in the Treatment of Chronic Obstruc-tive Pulmonary Disease with Type Ⅱ Respiratory Failure