title: [Endogenous opioids].
mesh_terms: D001921:Brain / Q000502:physiology*; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D011957:Receptors, Opioid / Q000502:physiology*; D013329:Structure-Activity Relationship
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid
vernacular_title: Endogene opioide.