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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Clin J Pain. 2021 Nov 1;38(2):65–76. doi: 10.1097/AJP.0000000000001001

Figure 7:

Figure 7:

Lidocaine concentrations as a function of time. Thin red lines correspond to individual participants (n = 32). Two participants did not have adequate IV access for repeated blood draws. Black points = mean, error bars = SD