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Effect of pharmacological manipulation of MPOA CRFR1 or CRFR2 on maternal aggression in lactating rats. Maternal aggression against a virgin female intruder was scored during a 10-min maternal defense test. The number of attacks (left) and sum of aggressive behaviors (right) exhibited by the resident are shown. For details on treatments, see the Fig. 2 legend. Data are presented as mean + SEM. n = 6 per group. **p < 0.01 versus VEH (one-way ANOVA; factor: treatment).
