title: Presence of immunoreactive beta-endorphin in human brain tumor cyst fluids.
mesh_terms: D001826:Body Fluids / Q000032:analysis; D001927:Brain Diseases / Q000378:metabolism*; D002850:Chromatography, Gel; D003560:Cysts / Q000032:analysis*; D004723:Endorphins / Q000032:analysis*; D006801:Humans; D008077:Lipoproteins, LDL / Q000032:analysis; D011863:Radioimmunoassay; D014018:Tissue Distribution; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D008077:Lipoproteins, LDL; D001615:beta-Endorphin