Adhikari, D., R. Gautam, S. Moktan, M. Mallik, and M. Sakhakarmi. “Is Serum Creatinine Mandatory Prior to Contrast Ehanced Computer Tomography”. Journal of Chitwan Medical College, vol. 8, no. 1, Mar. 2018, pp. 10-13, https://www.nepjol.info/index.php/JCMC/article/view/23709.