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Behavioral effects of a 0.5-g/kg ethanol challenge. (a) Non-social and (b) social pokes exhibited by rats during baseline testing, as well as 30 min or 4 hr after injection with either 0.5-g/kg ethanol (EtOH; black squares) or saline (white circles). Asterisks (*) denote a significant difference at a particular time point relative to baseline, collapsed across exposure condition.
