title: Improved sensitivity in the measurement of estrogen receptor in human breast cancer.
mesh_terms: D001943:Breast Neoplasms; D002499:Centrifugation, Density Gradient; D003600:Cytosol / Q000378:metabolism; D004229:Dithiothreitol; D004958:Estradiol / Q000378:metabolism; D005260:Female; D006801:Humans; D008722:Methods; D011956:Receptors, Cell Surface; D013696:Temperature; D014316:Tritium
chemical_list: D011956:Receptors, Cell Surface; D014316:Tritium; D004958:Estradiol; D004229:Dithiothreitol