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Howell, L L; Schama, K F; Ellis, J E et al. (2001) Fetal development in rhesus monkeys exposed prenatally to cocaine. Neurotoxicol Teratol 23:133-40
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Howell, L L; Czoty, P W; Kuhar, M J et al. (2000) Comparative behavioral pharmacology of cocaine and the selective dopamine uptake inhibitor RTI-113 in the squirrel monkey. J Pharmacol Exp Ther 292:521-9
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Czoty, P W; Justice Jr, J B; Howell, L L (2000) Cocaine-induced changes in extracellular dopamine determined by microdialysis in awake squirrel monkeys. Psychopharmacology (Berl) 148:299-306
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Bakay, R A; Boyer, K L; Freed, C R et al. (1998) Immunological responses to injury and grafting in the central nervous system of nonhuman primates. Cell Transplant 7:109-20
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Schama, K F; Howell, L L; Byrd, L D (1997) Serotonergic modulation of the discriminative-stimulus effects of cocaine in squirrel monkeys. Psychopharmacology (Berl) 132:27-34
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Howell, L L; Czoty, P W; Byrd, L D (1997) Pharmacological interactions between serotonin and dopamine on behavior in the squirrel monkey. Psychopharmacology (Berl) 131:40-8
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Howell, L L; Coffin, V L; Spealman, R D (1997) Behavioral and physiological effects of xanthines in nonhuman primates. Psychopharmacology (Berl) 129:1-14
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Howell, L L; Landrum, A M (1997) Effects of chronic caffeine administration on respiration and schedule-controlled behavior in rhesus monkeys. J Pharmacol Exp Ther 283:190-9
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Howell, L L; Byrd, L D (1995) Serotonergic modulation of the behavioral effects of cocaine in the squirrel monkey. J Pharmacol Exp Ther 275:1551-9
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Howell, L L (1995) Effects of caffeine on ventilation during acute and chronic nicotine administration in rhesus monkeys. J Pharmacol Exp Ther 273:1085-94
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Showing the most recent 10 out of 27 publications
