title: Chemical characteristics of endorphins in human cerebrospinal fluid.
mesh_terms: D001681:Biological Assay; D002845:Chromatography / Q000379:methods; D002850:Chromatography, Gel / Q000379:methods; D004723:Endorphins / Q000134:cerebrospinal fluid*; D006801:Humans; D011863:Radioimmunoassay
chemical_list: D004723:Endorphins