title: Picogram order enzyme immunoassay of oestradiol.
mesh_terms: D004958:Estradiol / Q000032:analysis* / Q000097:blood / Q000276:immunology; D005260:Female; D006735:Horseradish Peroxidase; D006801:Humans; D007124:Immunoenzyme Techniques; D011247:Pregnancy; D011863:Radioimmunoassay
chemical_list: D004958:Estradiol; D006735:Horseradish Peroxidase