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Effects of PRO on spatial learning and memory in rats. A. Effects of PRO on swimming speed of rats. B. Effects of PRO on escape latency of rats. C. Effect of PRO on the percentage of time spent exploring the target platform of rats. D. Effects of PRO on the times of rats crossing the platform. Notes: Compared with the mice test on the first day or the control group, *P < 0.05. Compared with the PRO group, #P < 0.05.
