Is It Necessary to Rotate the Epidunal Needle to Obtain Successful Sacral Segment Block

Lin, C. C.C. C.LinLin, Shian-YeangShian-YeangLin范守仁2009-02-122018-07-132009-02-122018-07-131990-09http://ntur.lib.ntu.edu.tw//handle/246246/130071en-USIs It Necessary to Rotate the Epidunal Needle to Obtain Successful Sacral Segment Block