title: The preparation and purification of a beta-D-galactosidase-oestradiol-17beta conjugate for enzyme immunoassay.
mesh_terms: D004926:Escherichia coli / Q000201:enzymology; D004958:Estradiol / Q000031:analogs & derivatives / Q000032:analysis*; D005696:Galactosidases / Q000378:metabolism; D007124:Immunoenzyme Techniques
chemical_list: D004958:Estradiol; D005696:Galactosidases