Effects of flupenthixol and quadazocine on self-administration of speedball combinations of cocaine and heroin by rhesus monkeysMELLO, N. K; NEGUS, S. S.Neuropsychopharmacology (New York, NY). 1999, Vol 21, Num 4, pp 575-588, issn 0893-133XArticle

κ antagonist properties of buprenorphine in the shock titration procedureNEGUS, S. S; DYSKSTRA, L. A.European journal of pharmacology. 1988, Vol 156, Num 1, pp 77-86, issn 0014-2999Article

Preclinical evaluation of pharmacotherapies for treatment of cocaine and opioid abuse using drug self-administration proceduresMELLO, N. K; NEGUS, S. S.Neuropsychopharmacology (New York, NY). 1996, Vol 14, Num 6, pp 375-424, issn 0893-133XArticle

Effects of Mu opioid agonists alone and in combination with cocaine and D-amphetamine in rhesus monkeys trained to discriminate cocaineNEGUS, S. S; GATCH, M. B; MELLO, N. K et al.Neuropsychopharmacology (New York, NY). 1998, Vol 18, Num 5, pp 325-338, issn 0893-133XArticle

Elucidation of dose-effect relationship for different opiate effects using alfentanil in the spontaneously ventilating ratYANG, P. K; WEINGER, M. B; NEGUS, S. S et al.Anesthesiology (Philadelphia). 1992, Vol 77, Num 1, pp 153-161, issn 0003-3022Article

BW373U86, a δ-opioid receptor agonist, reverses bradykinin-induced thermal allodynia in rhesus monkeysBUTELMAN, E. R; NEGUS, S. S; GATCH, M. B et al.European journal of pharmacology. 1995, Vol 277, Num 2-3, pp 285-287, issn 0014-2999Article

Intravenous self-administration studies with l-deprenyl (selegiline) in monkeysWINGER, G. D; YASAR, S; NEGUS, S. S et al.Clinical pharmacology and therapeutics. 1994, Vol 56, Num 6, pp 774-780, issn 0009-9236, 2Conference Paper

Butorphanol's efficacy at mu and kappa opioid receptors : inferences based on the schedule-controlled behavior of nontolerant and morphine-tolerant rats and on the responding of rats under a drug discrimination procedurePICKER, M. J; NEGUS, S. S; CRAFT, R. M et al.Pharmacology, biochemistry and behavior. 1990, Vol 36, Num 3, pp 563-568, issn 0091-3057, 6 p.Article

Interactions between mu and kappa opioid agonists in the rat drug discrimination procedureNEGUS, S. S; PICKER, M. J; DYKSTRA, L. A et al.Psychopharmacology. 1990, Vol 102, Num 4, pp 465-473, issn 0142-8411, 9 p.Article

Antinociceptive effects of monoamine reuptake inhibitors administered alone or in combination with mu opioid agonists in rhesus monkeysGATCH, M. B; NEGUS, S. S; MELLO, N. K et al.Psychopharmacologia. 1998, Vol 135, Num 1, pp 99-106, issn 0033-3158Article

Genetic variance in nociception and its relationship to the potency of morphine-induced analgesia in thermal and chemical testsELMER, G. I; PIEPER, J. O; NEGUS, S. S et al.Pain (Amsterdam). 1998, Vol 75, Num 1, pp 129-140, issn 0304-3959Article

Effects of the putative dopamine D₃ receptor agonist 7-OH-DPAT in rhesus monkeys trained to discriminate cocaine from salineLAMAS, X; NEGUS, S. S; NADER, M. A et al.Psychopharmacologia. 1996, Vol 124, Num 4, pp 306-314, issn 0033-3158Article

Antagonist effects of β-funaltrexamine and naloxonazine on alfentanil-induced antinociception and muscle rigidity in the ratNEGUS, S. S; PASTERNAK, G. W; KOOB, G. F et al.The Journal of pharmacology and experimental therapeutics. 1993, Vol 264, Num 2, pp 739-745, issn 0022-3565Article

Synthesis and opioid receptor affinity of morphinan and benzomorphan derivatives : Mixed κ agonists and μ agonists/antagonists as potential pharmacotherapeutics for cocaine dependenceNEUMEYER, J. L; BIDLACK, J. M; RUSHI ZONG et al.Journal of medicinal chemistry (Print). 2000, Vol 43, Num 1, pp 114-122, issn 0022-2623Article

Prostaglandin E₂-induced thermal hyperalgesia and its reversal by morphine in the warm-water tail-withdrawal procedure in rhesus monkeysNEGUS, S. S; BUTELMAN, E. R; YUAN AI et al.The Journal of pharmacology and experimental therapeutics. 1993, Vol 266, Num 3, pp 1355-1363, issn 0022-3565Article

Intermediate efficacy Mu opioids : examination of thei morphine-like stimulus effects and response rate-decreasing effects in morphine-tolerant ratsPICKER, M. J; CRAFT, R. M; NEGUS, S. S et al.The Journal of pharmacology and experimental therapeutics. 1992, Vol 263, Num 2, pp 668-681, issn 0022-3565Article

Antinociceptive effects of cocaine in rhesus monkeysGATCH, M. B; NEGUS, S. S; MELLO, N. K et al.Pharmacology, biochemistry and behavior. 1999, Vol 62, Num 2, pp 291-297, issn 0091-3057Article

Differential cross-tolerance to mu and kappa opioid agonists in morphine-tolerant rats responding under a schedule of food presentationPICKER, M. J; NEGUS, S. S; POWELL, K. R et al.Psychopharmacologia. 1991, Vol 103, Num 1, pp 129-135, issn 0033-3158, 7 p.Article

Kappa antagonist properties of buprenorphine in non-tolerant and morphine-tolerant ratsNEGUS, S. S; PICKER, M. J; DYKSTRA, L. A et al.Psychopharmacologia. 1989, Vol 98, Num 1, pp 141-143, issn 0033-3158Article

Opioid-like discriminative stimulus properties of benzomorphans in the pigeon: stereospecificity and differential substitution patternsPICKER, M. J; NEGUS, S. S; DYKSTRA, L. A et al.Life sciences (1973). 1989, Vol 45, Num 18, pp 1637-1645, issn 0024-3205, 9 p.Article

Relationship between the discriminative stimulus effects and plasma concentrations of intramuscular cocaine in rhesus monkeysLAMAS, X; NEGUS, S. S; HALL, E et al.Psychopharmacologia. 1995, Vol 121, Num 3, pp 331-338, issn 0033-3158Article

Effects of dopamine D_1-like and D_2-like agonists on cocaine self-administration in rhesus monkeys: rapid assessment of cocaine dose-effect functionsCAINE, S. B; NEGUS, S. S; MELLO, N. K et al.Psychopharmacologia. 2000, Vol 148, Num 1, pp 41-51, issn 0033-3158Article

Interactions between the discriminative stimulus effects of mu and kappa opioid agonists in the squirrel monkeyNEGUS, S. S; PICKER, M. J; DYKSTRA, L. A et al.The Journal of pharmacology and experimental therapeutics. 1991, Vol 256, Num 1, pp 149-158, issn 0022-3565, 10 p.Article

Effects of the monoamine uptake inhibitors RTI-112 and RTI-113 on cocaine-and food-maintained responding in rhesus monkeysNEGUS, S. S; MELLO, N. K; KIMMEL, H. L et al.Pharmacology, biochemistry and behavior. 2009, Vol 91, Num 3, pp 333-338, issn 0091-3057, 6 p.Article

Effects of the delta opioid agonist BW373U86 in pigeons trained to discriminate fentanyl, bremazocine and water in a three-choice drug discrimination procedureNEGUS, S. S; MORGAN, D; COOK, C. D et al.Psychopharmacologia. 1996, Vol 126, Num 3, pp 199-205, issn 0033-3158Article