Research Article
MATrix LABoratory Algorithm in Ultrasound Image-Guided General Drug Anesthesia along with Lumbar and Sacral Plexus Block in Hip Replacement under
Figure 2
Ultrasonography of the lumbar plexus: before splitting (a) and after splitting (b). ESM meant erector spine muscle, PsMM meant psoas major muscle, and TP meant transverse process.
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(b) |