2Yilmaz C, Buyrukcu SO, Cansever T, et al. Lumbar microdis- cectomy with spinal anesthesia:comparison of prone and knee- chest positions in means of hemodynamic and respiratory func- tion. Spine, 2010, 35: 1176-1184.
3Chi CH, Tsou JY, Su FC. Comparison of chest compression kinematics associated with over the-head and standard cardiop ulmonary resuscitation. Am J Emerg Med, 2009, 27: 1112- 1116.
