An interaction concerning histaminergic and opioidergic units within the CNS was instructed practically thirty a long time in the past, by means of an observation that morphine administration resulted in the discharge of histamine and its elevated turnover during the periaqueductal gray (Nishibori, Oishi, Itoh, & Saeki, 1985), suggesting https://hallajw922yvo9.bmswiki.com/user