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Pharmacology, Biochemistry, and Behavior|July 1, 1990
Opioid agonists/antagonists in morphine-tolerant squirrel monkeysL A Dykstra, M J Picker, K R PowellPsychopharmacology|January 1, 1989
Kappa antagonist properties of buprenorphine in non-tolerant and morphine-tolerant ratsS S Negus, M J Picker, L A DykstraPharmacology, Biochemistry, and Behavior|January 1, 1975
Effects of delta-9-THC and a water soluble ester of delta-9-THC on schedule-controlled behaviorL A Dykstra, D E McMillan, L S HarrisThe Journal of Pharmacology and Experimental Therapeutics|January 1, 1991
Interactions between the discriminative stimulus effects of mu and kappa opioid agonists in the squirrel monkeyS S Negus, M J Picker, L A DykstraPsychopharmacology|January 1, 1994
Pharmacological analysis of the rate-decreasing effects of mu and kappa opioids in pigeonsA J Mattox, M J Picker, L A DykstraPharmacology, Biochemistry, and Behavior|February 1, 1988
Tripelennamine fails to enhance the morphine-like stimulus effects of pentazocineA H Oliveto, B L Slifer, L A DykstraDrug and Alcohol Dependence|July 4, 1997
Tolerance development to morphine-induced alterations of immune statusJ P West, D T Lysle, L A DykstraThe Journal of Pharmacology and Experimental Therapeutics|August 1, 1987
Kappa opioids in rhesus monkeys. III. Dependence associated with chronic administrationD E Gmerek, L A Dykstra, J H WoodsThe Journal of Pharmacology and Experimental Therapeutics|May 1, 1989
Differential cross-tolerance to opioid agonists in morphine-tolerant pigeons responding under a schedule of food presentationR M Craft, M J Picker, L A DykstraThe Journal of Pharmacology and Experimental Therapeutics|May 1, 1983
Modification of behavioral effects of morphine, meperidine and normeperidine by naloxone and by morphine toleranceJ M Witkin, J D Leander, L A DykstraPageof 16