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128 related items for PubMed ID: 9246550

  • 1. Tolerance and cross tolerance to the accuracy- and rate-decreasing effects of mu opioids in rats responding under a fixed-consecutive-number schedule.
    Smith MA, Pitts RC, Picker MJ.
    Drug Alcohol Depend; 1997 Jun 06; 46(1-2):19-30. PubMed ID: 9246550
    [Abstract] [Full Text] [Related]

  • 2. Tolerance and cross-tolerance to the rate-suppressing effects of opioids in butorphanol-treated rats: influence of maintenance dose and relative efficacy at the mu receptor.
    Smith MA, Picker MJ.
    Psychopharmacology (Berl); 1998 Nov 06; 140(1):57-68. PubMed ID: 9862403
    [Abstract] [Full Text] [Related]

  • 3. 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 procedure.
    Picker MJ, Negus SS, Craft RM.
    Pharmacol Biochem Behav; 1990 Jul 06; 36(3):563-8. PubMed ID: 2165617
    [Abstract] [Full Text] [Related]

  • 4. Differential cross-tolerance to mu and kappa opioid agonists in morphine-tolerant rats responding under a schedule of food presentation.
    Picker MJ, Negus SS, Powell KR.
    Psychopharmacology (Berl); 1991 Jul 06; 103(1):129-35. PubMed ID: 1848712
    [Abstract] [Full Text] [Related]

  • 5. The mu opioid irreversible antagonist beta-funaltrexamine differentiates the discriminative stimulus effects of opioids with high and low efficacy at the mu opioid receptor.
    Morgan D, Picker MJ.
    Psychopharmacology (Berl); 1998 Nov 06; 140(1):20-8. PubMed ID: 9862398
    [Abstract] [Full Text] [Related]

  • 6. An examination of the interactions between the antinociceptive effects of morphine and various mu-opioids: the role of intrinsic efficacy and stimulus intensity.
    Morgan D, Cook CD, Smith MA, Picker MJ.
    Anesth Analg; 1999 Feb 06; 88(2):407-13. PubMed ID: 9972766
    [Abstract] [Full Text] [Related]

  • 7. Synthetic opioids compared with morphine and ketamine: catalepsy, cross-tolerance and interactions in the rat.
    Benthuysen JL, Hance AJ, Quam DD, Winters WD.
    Neuropharmacology; 1989 Oct 06; 28(10):1011-5. PubMed ID: 2530467
    [Abstract] [Full Text] [Related]

  • 8. Tolerance and cross-tolerance to morphine-like stimulus effects of mu opioids in rats.
    Walker EA, Richardson TM, Young AM.
    Psychopharmacology (Berl); 1997 Sep 06; 133(1):17-28. PubMed ID: 9335076
    [Abstract] [Full Text] [Related]

  • 9. Cross-tolerance and enhanced sensitivity to the response rate-decreasing effects of opioids with varying degrees of efficacy at the mu receptor.
    Picker MJ, Yarbrough J.
    Psychopharmacology (Berl); 1991 Sep 06; 105(4):459-66. PubMed ID: 1663253
    [Abstract] [Full Text] [Related]

  • 10. Antinociceptive effects of opioids following acute and chronic administration of butorphanol: influence of stimulus intensity and relative efficacy at the mu receptor.
    Smith MA, Barrett AC, Picker MJ.
    Psychopharmacology (Berl); 1999 Apr 06; 143(3):261-9. PubMed ID: 10353428
    [Abstract] [Full Text] [Related]

  • 11. Sex-related differences in the antinociceptive effects of opioids: importance of rat genotype, nociceptive stimulus intensity, and efficacy at the mu opioid receptor.
    Cook CD, Barrett AC, Roach EL, Bowman JR, Picker MJ.
    Psychopharmacology (Berl); 2000 Jul 06; 150(4):430-42. PubMed ID: 10958085
    [Abstract] [Full Text] [Related]

  • 12. Intermediate efficacy mu opioids: examination of their morphine-like stimulus effects and response rate-decreasing effects in morphine-tolerant rats.
    Picker MJ, Craft RM, Negus SS, Powell KR, Mattox SR, Jones SR, Hargrove BK, Dykstra LA.
    J Pharmacol Exp Ther; 1992 Nov 06; 263(2):668-81. PubMed ID: 1331411
    [Abstract] [Full Text] [Related]

  • 13. Effects of mu-opioid agonists on cocaine- and food-maintained responding and cocaine discrimination in rhesus monkeys: role of mu-agonist efficacy.
    Negus SS, Mello NK.
    J Pharmacol Exp Ther; 2002 Mar 06; 300(3):1111-21. PubMed ID: 11861822
    [Abstract] [Full Text] [Related]

  • 14. Clocinnamox distinguishes opioid agonists according to relative efficacy in normal and morphine-treated rats trained to discriminate morphine.
    Walker EA, Young AM.
    J Pharmacol Exp Ther; 2002 Jul 06; 302(1):101-10. PubMed ID: 12065706
    [Abstract] [Full Text] [Related]

  • 15. Three-choice discrimination in pigeons is based on relative efficacy differences among opioids.
    Walker EA, Picker MJ, Dykstra LA.
    Psychopharmacology (Berl); 2001 Jun 06; 155(4):389-96. PubMed ID: 11441428
    [Abstract] [Full Text] [Related]

  • 16. Antinociceptive effects of the selective delta opioid agonist SNC80 alone and in combination with mu opioids in the squirrel monkey titration procedure.
    Dykstra LA, Granger AL, Allen RM, Zhang X, Rice KC.
    Psychopharmacology (Berl); 2002 Oct 06; 163(3-4):420-9. PubMed ID: 12373443
    [Abstract] [Full Text] [Related]

  • 17. Social and environmental influences on opioid sensitivity in rats: importance of an opioid's relative efficacy at the mu-receptor.
    Smith MA, Chisholm KA, Bryant PA, Greene JL, McClean JM, Stoops WW, Yancey DL.
    Psychopharmacology (Berl); 2005 Aug 06; 181(1):27-37. PubMed ID: 15778888
    [Abstract] [Full Text] [Related]

  • 18. Importance of sex and relative efficacy at the mu opioid receptor in the development of tolerance and cross-tolerance to the antinociceptive effects of opioids.
    Barrett AC, Cook CD, Terner JM, Craft RM, Picker MJ.
    Psychopharmacology (Berl); 2001 Nov 06; 158(2):154-64. PubMed ID: 11702089
    [Abstract] [Full Text] [Related]

  • 19. Discriminative stimulus effects of opioids in pigeons trained to discriminate fentanyl, bremazocine and water: evidence of pharmacological selectivity.
    Picker MJ, Cook CD.
    Behav Pharmacol; 1997 Jun 06; 8(2-3):160-73. PubMed ID: 9833011
    [Abstract] [Full Text] [Related]

  • 20. Effects of mixed-action opioids on food-maintained behavior of morphine-pretreated and morphine-tolerant rats.
    Oliveto A, Picker M, Dykstra LA.
    NIDA Res Monogr; 1989 Jun 06; 95():524. PubMed ID: 2561847
    [No Abstract] [Full Text] [Related]

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