Allen, R.M. (2009) "Tolerance, Sensitization, and Physical Dependence. In Cohen, Collins, Young, McChargue, Leffingwell, and Cook (Eds.)", Pharmacology and Treatment of Substance Abuse. New York: Routledge.
2009 Mandt BH, Allen RM, Zahniser NR. "Individual differences in initial low-dose cocaine-induced locomotor activity and locomotor sensitization in adult outbred female Sprague-Dawley rats." Pharmacol Biochem Behav, 91: 511-516.
2008 Mandt BH, Schenk S, Zahniser NR, Allen RM. "Individual differences in cocaine-induced locomotor activity in male Sprague-Dawley rats and their acquisition of and motivation to self-administer cocaine." Psychopharmacology, 201: 195-202.
2007 Allen RM, Uban KA, Atwood EM, Albeck DS, Yamamoto DJ. "Continuous intracerebroventricular infusion of the competitive NMDA receptor antagonist, LY235959, facilitates escalation of cocaine self-administration and increases break point for cocaine in Sprague-Dawley rats." Pharmacol Biochem Beh. 88: 82-88.
2007 Allen RM, Everett CV, Nelson AM, Gulley JM, Zahniser NR. "Low and high locomotor responsiveness to intravenous cocaine predicts cocaine conditioned place preference in male Sprague-Dawley rats." Pharmacol Biochem Beh. 86: 37–44.
2007 Allen RM, Dykstra LA, Carelli RM. "Continuous exposure to the competitive N-methyl-D-aspartate receptor antagonist, LY235959, facilitates escalation of cocaine consumption in Sprague-Dawley rats." Psychopharmacology. 191: 341-351.
2005 Allen RM, Carelli RM, Dykstra LA, Suchey TL, Everett CV. "Effects of the competitive NMDA receptor antagonist, (-)-6-phosphonomethyl-deca-hydroisoquinoline-3-carboxylic acid (LY235959), on responding for cocaine under both fixed and progressive ratio schedules of reinforcement." J Pharmacol Exp Ther. 315: 449-457.