title: Characterization of opiate receptors in the isolated rat rectum [proceedings].
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects*; D012007:Rectum / Q000187:drug effects*
chemical_list: D011957:Receptors, Opioid