TY - Chinese Medical Sciences Journal A1 - Liang Shan*,Rui Zhang, Lian-di Li T1 - Effect of Timing of Tracheotomy on Clinical Outcomes: an Update Meta-analysis Including 11 Trials Y1 - 2013-09-30 JF - Chinese Medical Sciences Journal JO - Chinese Medical Sciences Journal SP - 159 EP - 166 VL - 28 IS - 3 UR - http://cmsj.cams.cn N1 - 10.1016/S1001-9294(13)60042-5 ER -