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Psychopharmacology|July 1, 1997
Serotonergic modulation of the discriminative-stimulus effects of cocaine in squirrel monkeysK F Schama, L L Howell, L D Byrd
Journal of the Experimental Analysis of Behavior|September 1, 1983
An interresponse-time analysis of responding maintained by schedules of response-produced electric shockL L Howell, L D Byrd, M J Marr
Journal of the Experimental Analysis of Behavior|May 1, 1988
Differential effects of cocaine and pentobarbital on fixed-interval and random-interval performanceL L Howell, L D Byrd, M J Marr
Neurotoxicology and Teratology|May 12, 2001
Fetal development in rhesus monkeys exposed prenatally to cocaineL L Howell, K F Schama, J E Ellis, et al.
Journal of the Experimental Analysis of Behavior|January 1, 1980
Magnitude and duration of the effects of cocaine on conditioned and adjunctive behaviors in the chimpanzeeL D Byrd
European Journal of Pharmacology|July 1, 1979
The behavioral effects of cocaine: rate dependency or rate constancyL D Byrd
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