An interaction amongst histaminergic and opioidergic programs within the CNS was instructed practically thirty decades back, by an observation that morphine administration resulted in the release of histamine and its improved turnover in the periaqueductal grey (Nishibori, Oishi, Itoh, & Saeki, 1985), suggesting that analgesia produced by opioids could https://henrym516gzp2.pennywiki.com/user