| Description | Radioimmunoassay (RIA) for the determination of gastrin in human serum. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of CA 242 cancer antigen in serum. For research use only, not for use in diagnostic procedures. Please note this assay has a 5 kit purchase minimum. | Radioimmunoassay (RIA) for the determination of human 17ß-Estradiol (E2) in serum. FDA registered 510(k) Exempt. For In-Vitro Diagnostic Use. | Solid phase direct sandwich ELISA for the determination of Lysozyme in human plasma, serum, or stool. FDA exempt, can be used for in-vitro diagnostics. | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. |