An interaction involving histaminergic and opioidergic methods within the CNS was instructed virtually thirty yrs in the past, by an observation that morphine administration resulted in the release of histamine and its increased turnover in the periaqueductal gray (Nishibori, Oishi, Itoh, & Saeki, 1985), suggesting that analgesia produced by https://anthonyd912nfv7.blogscribble.com/profile