Sex-related differences in the antinociceptive effects of opioids : importance of rat genotype, nociceptive stimulus intensity, and efficacy at the μ opioid receptor
COOK, C. D ; BARRETT, A. C ; ROACH, E. L ; BOWMAN, J. R ; PICKER, M. J
Psychopharmacologia, 2000-07, Vol.150 (4), p.430-442 [Periódico revisado por pares]Berlin: Springer
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