Effect of noninvasive ventilation in acute bronchial asthma with oxygen nebulae inhalation and ultrasound nebulae inhalation 机械通气救治危重支气管哮喘经验和教训
2.
Background : noninvasive ventilation has become increasingly available to spinal muscular atrophy ( sma ) patients since the early 1990s . this is expected to have improved survival for sma type 1 patients 背景：自90年代早期，非侵入性通气越来越广泛的应用于脊肌萎缩症（ sma ）患者，被认为提高了1型脊肌萎缩症患者的生存率。
