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Psychopharmacology|July 10, 2001
Three-choice discrimination in pigeons is based on relative efficacy differences among opioidsE A Walker, M J Picker, L A DykstraPsychopharmacology|January 1, 1990
Interactions between mu and kappa opioid agonists in the rat drug discrimination procedureS S Negus, M J Picker, L A DykstraThe Journal of Pharmacology and Experimental Therapeutics|April 1, 1991
Acute and chronic morphine administration: effects of mixed-action opioids in rats and squirrel monkeys responding under a schedule of food presentationA H Oliveto, M J Picker, L A DykstraAnesthesia and Analgesia|September 20, 1997
Comparison of the time course of morphine's analgesic and immunologic effectsC J Nelson, L A Dykstra, D T LyslePharmacology, Biochemistry, and Behavior|September 1, 1975
Comparison of the discriminative stimulus properties of delta9-THC and psilocybin in ratsI Greenberg, D Kuhn, J B AppelPharmacology, Biochemistry, and Behavior|November 1, 1992
Stimulus effects of d-amphetamine 1: DA mechanismsB J Van Groll, J B AppelJournal of Neuroimmunology|December 1, 1994
Pavlovian conditioning of morphine-induced alterations of immune status: evidence for opioid receptor involvementM E Coussons-Read, L A Dykstra, D T LysleBrain, Behavior, and Immunity|September 1, 1994
Pavlovian conditioning of morphine-induced alterations of immune status: evidence for peripheral beta-adrenergic receptor involvementM E Coussons-Read, L A Dykstra, D T LysleThe Journal of Pharmacology and Experimental Therapeutics|January 1, 1976
Stimulus properties of the narcotic antagonist pentazocine: similarity to morphine and antagonism by naloxoneD M Kuhn, I Greenberg, J B AppelPsychopharmacologia|September 17, 1975
Behaviorally induced sensitivity to the discriminable properties of LSDI Greenberg, D M Kuhn, J B AppelPageof 16