title: A radioimmunoassay of plasma estradiol-17beta with the use of polyethylene glycol to separate free and antibody-bound hormone.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D000936:Antigen-Antibody Complex; D001666:Binding Sites, Antibody; D002417:Cattle; D004958:Estradiol / Q000097:blood* / Q000276:immunology; D004970:Estrone / Q000276:immunology; D011092:Polyethylene Glycols; D011485:Protein Binding; D011863:Radioimmunoassay / Q000379:methods; D012756:Sheep / Q000276:immunology; D014316:Tritium; D005719:gamma-Globulins
chemical_list: D000936:Antigen-Antibody Complex; D005719:gamma-Globulins; D014316:Tritium; D004970:Estrone; D011092:Polyethylene Glycols; D004958:Estradiol