Achary, Parag, et al. “Supplementing Rumen Protected Choline With Green Tea Extract Exerts Hepatoprotective Effect in Transition Karan Fries Cows by Modulating Serum Biochemistry”. International Journal of Livestock Research, vol. 9, no. 7, July 2019, pp. 40-48, http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1179.