Pain
Pain threshold changes in rats following central injection of beta-endorphin, met-enkephalin, vasopressin or oxytocin antisera.
<span class="disease" id="6094376-0-0-4">Pain</span> threshold changes in rats following central injection of <span class="gene" id="6094376-0-62-76">beta-endorphin</span>, <span class="gene" id="6094376-0-78-92">met-enkephalin</span>, vasopressin or oxytocin antisera.