title: Breakdown of enkephalin and endorphin analogs by brain extracts.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001921:Brain / Q000378:metabolism*; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism*; D066298:In Vitro Techniques; D051379:Mice; D013329:Structure-Activity Relationship; D013997:Time Factors
chemical_list: D004723:Endorphins; D004745:Enkephalins