[Morphine-like peptides].
D000818:Animals; D001921:Brain / Q000378:metabolism; D001923:Brain Chemistry; D004723:Endorphins / Q000032:analysis / Q000096:biosynthesis; D004745:Enkephalins / Q000032:analysis / Q000096:biosynthesis / Q000494:pharmacology; D051379:Mice; D051381:Rats
D004723:Endorphins; D004745:Enkephalins