| Description | Enzyme immunoassay (ELISA) for the determination of f-PSA in human serum. For research use only, not for use in diagnostic procedures. | Enzyme linked immunosorbent assay (ELISA) for the determination of antibodies directed against human spermatozoa in serum. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the quantitative in vitro diagnostic measurement of free estriol (unconjugated estriol) in serum during the second half of pregnancy. | Enzyme Immunoassay (ELISA) for the determination of Gamma-aminobutyric acid (GABA) in human plasma, serum, and urine. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the direct quantitative determination of Pregnenolone in human serum. FDA exempt, for in vitro diagnostic use only. |
| Method | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) |