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Cheung, S; Salinas, J; Hammer Jr, R P (1995) Gonadal steroid hormone-dependence of beta-endorphin-like immunoreactivity in the medial preoptic area of the rat. Brain Res 675:83-8
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Hammer Jr, R P; Cooke, E S (1994) Gradual tolerance of metabolic activity is produced in mesolimbic regions by chronic cocaine treatment, while subsequent cocaine challenge activates extrapyramidal regions of rat brain. J Neurosci 14:4289-98
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Seatriz, J V; Hammer Jr, R P (1993) Effects of opiates on neuronal development in the rat cerebral cortex. Brain Res Bull 30:523-7
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Hammer Jr, R P; Bogic, L; Handa, R J (1993) Estrogenic regulation of proenkephalin mRNA expression in the ventromedial hypothalamus of the adult male rat. Brain Res Mol Brain Res 19:129-34
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Hammer Jr, R P; Pires, W S; Markou, A et al. (1993) Withdrawal following cocaine self-administration decreases regional cerebral metabolic rate in critical brain reward regions. Synapse 14:73-80
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Mateo, A R; Hijazi, M; Hammer Jr, R P (1992) Dynamic patterns of medial preoptic mu-opiate receptor regulation by gonadal steroid hormones. Neuroendocrinology 55:51-8
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Hammer Jr, R P; Seatriz, J V; Ricalde, A R (1991) Regional dependence of morphine-induced mu-opiate receptor down-regulation in perinatal rat brain. Eur J Pharmacol 209:253-6
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Bardo, M T; Hammer Jr, R P (1991) Autoradiographic localization of dopamine D1 and D2 receptors in rat nucleus accumbens: resistance to differential rearing conditions. Neuroscience 45:281-90
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Clow, D W; Lee, S J; Hammer Jr, R P (1991) Competitive (AP7) and non-competitive (MK-801) NMDA receptor antagonists differentially alter glucose utilization in rat cortex. Synapse 7:260-8
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Clow, D W; Hammer Jr, R P; Kirstein, C L et al. (1991) Gestational cocaine exposure increases opiate receptor binding in weanling offspring. Brain Res Dev Brain Res 59:179-85
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Showing the most recent 10 out of 13 publications
