The psoas (major on the right) is a very strong and powerful muscle.
腰肌（主要是右侧）是非常强壮有力的肌肉。
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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