Application of hypobaric ropivacaine spinal anesthesia and nerve block anesthesia in hip surgery of elderly patients
Hao Chun-xiang, Han Chun-ji, Chen Guo-qing, Liu Shu-yun, Zhang Chang-sheng
Chinese Journal of Tissue Engineering Research . 2018, (
7
): 1009 -1003 . DOI: 10.3969/j.issn.2095-4344.0110