老年髋关节置换与腰麻复合腰丛阻滞麻醉
宋海明,杜 宁
Elderly hip replacement and isobaric spinal anesthesia in combination with lumbar plexus anesthesia 
Song Hai-ming, Du Ning
中国组织工程研究 . 2010, (26): 4858 -4861 .  DOI: 10.3969/j.issn.1673-8225.2010.26.027