title: Evidence for opiate receptor binding in rat small intestine.
mesh_terms: D000818:Animals; D003917:Dextrorphan / Q000494:pharmacology; D005048:Etorphine / Q000378:metabolism; D066298:In Vitro Techniques; D007421:Intestine, Small / Q000187:drug effects / Q000378:metabolism*; D007981:Levorphanol / Q000494:pharmacology; D008297:Male; D008861:Microsomes / Q000378:metabolism; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects / Q000378:metabolism*; D012964:Sodium / Q000494:pharmacology
chemical_list: D011957:Receptors, Opioid; D003917:Dextrorphan; D007981:Levorphanol; D009270:Naloxone; D005048:Etorphine; D012964:Sodium