Randall, C. ., Kraemer, P. ., & Bardo, M. . (1998). Morphine-induced conditioned place preference in preweanling and adult rats. Pharmacology, Biochemistry, and Behavior, 60(1), 217-22. https://doi.org/10.1016/s0091-3057(97)00585-6
CK Randall
First name: 
                  CK
            Last name: 
                  Randall
            Valone, J. ., Randall, C. ., Kraemer, P. ., & Bardo, M. . (1998). Olfactory cues and morphine-induced conditioned analgesia in rats. Pharmacology, Biochemistry, and Behavior, 60(1), 115-8. https://doi.org/10.1016/s0091-3057(97)00554-6
Randall, C. ., Kraemer, P. ., Dose, J. ., Carbary, T. ., & Bardo, M. . (1992). The biphasic effect of morphine on odor conditioning in neonatal rats. Developmental Psychobiology, 25(5), 355-64. https://doi.org/10.1002/dev.420250506