Practice pattern of aerosol therapy among patients undergoing mechanical ventilation in mainland China: A web-based survey involving 447 hospitals. - Zhang, Zhongheng; Xu, Peifeng; Fang, Qiang; Ma, Penglin; Lin, Huiling; Fink, Jim B.; Liang, Zongan; Chen, Rongchang; Ge, Huiqing; null, null (PLoS ONE, 2019)