When is a single-injection nerve block not really a single injection?
单次注射神经阻滞什么时候不只是一次简单的注射呢？
Objective To study the clinical application of nerve block anesthesia in space of psoas major.
目的了解腰大肌间隙神经阻滞的临床应用。
Objective To study the clinical application of nerve block anesthesia in space of psoas major.
目的了解腰大肌间隙神经阻滞的临床应用。
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