Fig. 3.
Effect of Rp-8-pCPT-cGMPS on the antinociceptive effect of HBO2 at 3.5 ATA. Each bar represents the mean antinociceptive effect and each vertical line represents the SEM of at least 8 mice per group. Significance of difference: ***, P < 0.001, compared to the vehicle pretreatment group (post-hoc Bonferroni's multiple comparison test).