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Fig. 4.

Medical Research Council scale of quadriceps muscle strength. CACB: continuous adductor canal block, IVACB: intravenous patient-controlled analgesia with adductor canal block, Pre-op: 1 day before surgery, POD 1: postoperative day 1, POD 2: postoperative day 2, POD 3: postoperative day 3, POD 4: postoperative day 4.

Korean J Pain 2019;32:30~38 https://doi.org/10.3344/kjp.2019.32.1.30
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