Du Plessis, N., Kimberg, M., Zaahl, M. G., Sadie, A., Venter, M., Van Der Merwe, L., Louw, A., & Warnich, L. (2009). Functional analysis of the 5- regulatory region of the 5-aminolevulinate synthase (alas1) gene in response to estrogen. Cellular and Molecular Biology, 55(2), 20–30. Retrieved from https://mail.cellmolbiol.org/index.php/CMB/article/view/1083