1Vander Kam E L, De-Vry J, Tzschentke T M, et al.2-Methyl- 6(phenylethynyl)-pyridine (MPEP) potentiates ketamine and heroin reward as assessed by acquisition, extinction, and reinstatement of conditioned place preference in the rat[J].European Journal of Pharmacology, 2009, 606(1-3):94-101.
