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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Anesthesiology. 2018 Sep;129(3):517–535. doi: 10.1097/ALN.0000000000002274

Fig. 4.

Fig. 4.

Pain relief after different lumbar facet blocks. Data presented as means with error bars representing 1 SD. For outcomes, n = 89 for intraarticular group, 91 for medial branch group, and 47 for placebo group.