title: Type 1 and type 2 opiate receptor distribution in brain--what does it tell us?
mesh_terms: D000818:Animals; D001345:Autoradiography; D001921:Brain / Q000502:physiology; D001923:Brain Chemistry; D006801:Humans; D011957:Receptors, Opioid / Q000032:analysis / Q000145:classification* / Q000502:physiology
chemical_list: D011957:Receptors, Opioid