| Description | Enzyme immunoassay (ELISA) for the quantitative in vitro diagnostic measurement of free estriol (unconjugated estriol) in serum during the second half of pregnancy. | Radioimmunoassay (RIA) for the determination of glucagon in human plasma. FDA exempt, can be used for in-vitro diagnostics. | Solid phase sandwich ELISA for the determination of Human Leptin in serum, EDTA-plasma and supernatant of cell culture media. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination a-melanocyte stimulating hormone (a-MSH) in human plasma or cerebrospinal fluid. For research use only, not for use in diagnostic procedures. | Immunoradiometric assay (RIA) for the determination of human prolactin (PRL) in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. |