title: Action of opioid drugs on the brain-reward system.
authors: Division of Psychiatry, Boston University School of Medicine, MA 02118.
authors: C
authors: C
authors: Kornetsky
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects / Q000502:physiology*; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D009294:Narcotics / Q000494:pharmacology*; D012201:Reward
chemical_list: D004723:Endorphins; D009294:Narcotics