The Effect of Subglottic Secretion Drainage with Compound Chlorhexidine Gargle on Ventilator-associated Pneumonia 
TAO Shaoyu,PENG Daijiao,LI Wanxia,MING Liangjia,LIU Yuanfei,CHEN Xi
Chinese General Practice . 2020, (11): 1389 -1393 .  DOI: 10.12114/j.issn.1007-9572.2019.00.750