title: Steroid extraction and tissue digestion in the assay of radioactivity in rat brain following tritiated estradiol-17 .
mesh_terms: D000096:Acetone; D000143:Acids; D000818:Animals; D001923:Brain Chemistry / Q000187:drug effects*; D002369:Castration; D002540:Cerebral Cortex / Q000032:analysis; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D007031:Hypothalamus / Q000032:analysis; D066298:In Vitro Techniques; D000432:Methanol; D010053:Ovary / Q000502:physiology; D051381:Rats; D012997:Solvents; D013256:Steroids / Q000302:isolation & purification*; D013997:Time Factors; D014316:Tritium
chemical_list: D000143:Acids; D012997:Solvents; D013256:Steroids; D014316:Tritium; D000096:Acetone; D004958:Estradiol; D000432:Methanol