SAMEENA A, TAHIR S, SHAHID A, ZAHID A,. “Estimation of Glomerular Filtration Rate Using Inverse of Serum Creatinine and Pulse × Mass Index - An Underestimated Tool”. Journal of Fatima Jinnah Medical University, vol. 6, no. 3, Nov. 2018, https://jfjmu.com/index.php/ojs/article/view/242.