title: [Opiate receptors and morphine like peptides in the brain: a breakthrough in neuropharmacological research].
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D004723:Endorphins; D004745:Enkephalins; D009020:Morphine; D011955:Receptors, Drug
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011955:Receptors, Drug; D009020:Morphine