title: Radioimmunoassay of methionine- and leucine-enkephalins in regions of rat brain and comparison with endorphins estimated by a radioreceptor assay.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002531:Cerebellum / Q000032:analysis; D003342:Corpus Striatum / Q000032:analysis; D003429:Cross Reactions; D004723:Endorphins / Q000032:analysis*; D004745:Enkephalins / Q000032:analysis*; D006624:Hippocampus / Q000032:analysis; D007031:Hypothalamus / Q000032:analysis; D007457:Iodine Radioisotopes; D008297:Male; D011863:Radioimmunoassay / Q000379:methods; D011869:Radioligand Assay / Q000379:methods; D051381:Rats; D011957:Receptors, Opioid / Q000032:analysis
chemical_list: D004723:Endorphins; D004745:Enkephalins; D007457:Iodine Radioisotopes; D011957:Receptors, Opioid