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Mean (± SEM) behavioral score of male F344 rats on a rod walking test. Rats in the 24 Hr, 48 Hr and 1 week group were tested on the rod walking test before (control) and after being injected with 3-NP (16.5 mg/kg, i.p). The remaining groups were treated with 3-NP (16.5 mg/kg, i.p.) or saline and tested 2 weeks, 1 month, or 3 months post injection. *Significantly different from control or saline-treated rats.
