title: Autoradiographic localization of opioid receptors in the mammalian retina.
mesh_terms: D000368:Aged; D000818:Animals; D001345:Autoradiography; D006801:Humans; D008252:Macaca fascicularis; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D011957:Receptors, Opioid / Q000032:analysis*; D012160:Retina / Q000033:anatomy & histology*
chemical_list: D011957:Receptors, Opioid