- Androgenic and estrogenic 17beta-hydroxysteroid dehydrogenase/17-ketosteroid reductase in human ovarian epithelial tumors: evidence for the type 1, 2 and 5 isoforms. Blomquist, C.H., Bonenfant, M., McGinley, D.M., Posalaky, Z., Lakatua, D.J., Tuli-Puri, S., Bealka, D.G., Tremblay, Y. J. Steroid Biochem. Mol. Biol. (2002)