Fig. 2.

Antagonism of the discriminative effects of salvinorin A, after pretreatment with either quadazocine (0.32 mg/kg) or ketanserin (0.1 mg/kg). Other details as in Fig. 1

Antagonism of the discriminative effects of salvinorin A, after pretreatment with either quadazocine (0.32 mg/kg) or ketanserin (0.1 mg/kg). Other details as in Fig. 1