title: Receptor identification by density gradient centrifugation.
mesh_terms: D000818:Animals; D002369:Castration; D002499:Centrifugation, Density Gradient; D003600:Cytosol / Q000032:analysis; D005260:Female; D008722:Methods; D010053:Ovary / Q000502:physiology; D011374:Progesterone; D011506:Proteins / Q000032:analysis*; D051381:Rats; D011956:Receptors, Cell Surface; D014599:Uterus / Q000032:analysis
chemical_list: D011506:Proteins; D011956:Receptors, Cell Surface; D011374:Progesterone