title: mu- and delta-opiate receptors: correlation with high and low affinity opiate binding sites.
mesh_terms: D000818:Animals; D001665:Binding Sites; D001921:Brain / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism; D066298:In Vitro Techniques; D009020:Morphine / Q000378:metabolism; D051381:Rats; D011957:Receptors, Opioid / Q000032:analysis / Q000378:metabolism*
chemical_list: D004745:Enkephalins; D011957:Receptors, Opioid; D009020:Morphine