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. 2020 Apr 15;16:977–984. doi: 10.2147/NDT.S236939

Figure 2.

Figure 2

Sensory nerve conduction study results in the health control (HC) and N2O-abuse groups. (A) The sensory nerve action potential amplitude and (B) sensory conduction velocity of each sensory nerve for the HC (gray bar) and N2O-abuse (black bar) groups.

Notes: Data are presented as mean ± standard error of the mean. Significant differences are indicated by **p < 0.01; ***p < 0.001.

Abbreviations: M, median nerve; U, ulnar nerve; S, sural nerve.