老年患者后路腰丛阻滞罗哌卡因半数有效剂量的临床研究

马琳1 ,于泳浩1 ,杨勇2

The clinical study of median effective dose of ropivacaine for lumbar plexus blockade in elderly patients

天津医药 . 2010, (7): 631 -632 .