Saradhi, M., N. Kumar, R. C. Reddy, and R. K. Tyagi. “Pregnane and Xenobiotic Receptor (PXR): A Promiscous Xenosensor in Human Health and Disease”. Journal of Endocrinology and Reproduction, vol. 10, no. 1, June 2006, pp. 1-12, http://informaticsjournals.com/index.php/jer/article/view/6094.