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Citation: V. Tortorici et al., Tolerance to repeated microinjection of morphine into the periaqueductal gray is associated with changes in the behavior of off- and on-cells in the rostral ventromedial medulla of rats, PAIN, 89(2-3), 2001, pp. 237-244

Authors: Heinricher, MM McGaraughty, S Tortorici, V

Citation: Mm. Heinricher et al., Circuitry underlying antiopioid actions of cholecystokinin within the rostral ventromedial medulla, J NEUROPHYS, 85(1), 2001, pp. 280-286

Authors: Tortorici, V Vanegas, H

Citation: V. Tortorici et H. Vanegas, Opioid tolerance induced by metamizol (dipyrone) microinjections into the periaqueductal grey of rats, EUR J NEURO, 12(11), 2000, pp. 4074-4080

Authors: Tortorici, V Robbins, CS Morgan, MM

Citation: V. Tortorici et al., Tolerance to the antinociceptive effect of morphine microinjections into the ventral but not lateral-dorsal periaqueductal gray of the rat, BEHAV NEURO, 113(4), 1999, pp. 833-839