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Mean ± SEM seconds (s) duration (A) and frequency (B) for four behaviors during a 15 min maternal care test on the 8th day of pup exposure in nulliparous rats previously treated with 10 consecutive days of saline or 15 mg/kg cocaine as adults. Samples sizes listed in parentheses. * Indicates a significant difference between saline and cocaine for an individual behavior (p < 0.05).
