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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Pharmacol Biochem Behav. 2020 Dec 11;200:173077. doi: 10.1016/j.pbb.2020.173077

Figure 8:

Figure 8:

Pain related behaviors during precipitated fentanyl withdrawal. (A) Mice exhibit increased heat sensitivity, while rats have decreased heat sensitivity in precipitated fentanyl withdrawal. (B) Mice experience no change in cold sensitivity. (C) Mice show no change in mechanical sensitivity. Mice experience no change in cold sensitivity. Individual points represent data from a single animal, and horizontal lines depict medians and 95% confidence intervals. Normalized data are expressed as a percent of baseline.