title: Localization of the reward-relevant opiate receptors.
mesh_terms: D000818:Animals; D001921:Brain / Q000648:ultrastructure*; D006556:Heroin Dependence; D006801:Humans; D008297:Male; D009021:Morphine Dependence; D051381:Rats; D011957:Receptors, Opioid; D012201:Reward; D012646:Self Administration
chemical_list: D011957:Receptors, Opioid