| Description | Sandwich enzyme-linked immune-sorbent assay (ELISA) for the determination of human EGF concentrations in serum, plasma, cell culture supernatant and other biological samples. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of IgG class antibodies against Trypanosoma cruzi in human serum or plasma (citrate, heparin). For research use only, not for use in diagnostic procedures. | Competitive enzyme immunoassay for the quantitative measurement of Estradiol in serum or plasma (EDTA, lithium heparin, or citrate plasma). 510(k) Exempt, can be used for in-vitro diagnostics. | Radioimmunoassay (RIA) for the quantitative measurement of human Progesterone (PROG) in serum. FDA registered 510(k) Exempt. For In-Vitro Diagnostic Use. | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. |