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Effect of PA pretreatment on postoperative weight change of rats. A. Line chart of body weight change during 1–5 days after operation (taking preoperative body weight as the baseline). B. Relative changes of body weight of rats on POD1; C. Relative changes of body weight on POD5. n = 9∼12. Data are presented as the mean ± SEM. *: P < 0.05, **: P < 0.01, ***: P < 0.001.
