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Effects of bilateral perfusion of D1-type (SKF), D2-type (QUIN), and D1 + D2-type (SKF + QUIN) agonists into NAS core and shell on cocaine intake. Data are shown as the mean (+SEM) total numbers of cocaine self-injections during the 3 h maintenance phase. *p < 0.05 vs aCSF as revealed by post hoc Tukey's HSD comparisons following ANOVA. n = 6–8 per group.
