Intracerebroventricular naloxone produces a dose-dependent, monotonic increase in nociceptive threshold in the rat.

Miaskowski C, Taiwo YO, Levine JD. Intracerebroventricular naloxone produces a dose-dependent, monotonic increase in nociceptive threshold in the rat. Brain Res. 1990 May 7; 515(1-2):323-5.

1990
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Miaskowski C, Taiwo YO, Levine JD