title: Radioimmunoassay of brain peptides: evaluation of a methodology for the assay of beta-endorphin and enkephalin.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D001923:Brain Chemistry; D004723:Endorphins / Q000032:analysis* / Q000378:metabolism; D004745:Enkephalins / Q000032:analysis*; D006207:Half-Life; D008872:Microwaves; D011180:Postmortem Changes; D011863:Radioimmunoassay / Q000379:methods; D051381:Rats
chemical_list: D004723:Endorphins; D004745:Enkephalins