Cocaine dose and self-administration history, but not initial cocaine locomotor responsiveness, affects sensitization to the motivational effects of cocaine in rats.
Mandt BH, Gomez E, Johnston NL, Zahniser NR, Allen RM. Cocaine dose and self-administration history, but not initial cocaine locomotor responsiveness, affects sensitization to the motivational effects of cocaine in rats. J Pharmacol Exp Ther. 2012 Jul; 342(1):214-21.