B K Madras et al.
The Journal of pharmacology and experimental therapeutics, 251(1), 131-141 (1989-10-01)
Specific binding sites for [3H]cocaine were identified in caudate-putamen membranes prepared from nonhuman primate brains (Macaca fascicularis and Saimiri sciureus). Saturation of the sites was determined in competition studies using a fixed concentration of [3H]cocaine (2.7 nM) and increasing concentrations