Ghosh, A., and I. Chakravarty. “Effect of Acute, Sub-Acute and Chronic Treatment of Lac Dye on the Hepatic β-Glucuronidase Activity”. The Indian Journal of Nutrition and Dietetics, vol. 22, no. 5, May 1985, pp. 147-53, http://www.informaticsjournals.com/index.php/ijnd/article/view/13130.