title: [Enkephalin, its present status and future perspective (author's transl)].
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000032:analysis / Q000502:physiology*; D006168:Guinea Pigs; D051379:Mice
chemical_list: D004723:Endorphins; D004745:Enkephalins