Yeshwanth, R., L. K. Bairy, R. Deepthinath, and B. Ramachandra. “A Study of the Effect of Methotrexate and Vitamin A on NOR Expression in Hepatocytes of Male Wistar Rats”. Journal of Physiological and Biomedical Sciences, vol. 23, no. 1, Sept. 2010, pp. 1-7, https://li01.tci-thaijo.org/index.php/j-pbs/article/view/251043.