Khwaunju, Pragyan, et al. “Safety and Efficacy of Mini-Percutaneous nephrolithotomy(PCNL) in Renal or Upper Ureteric Stone >1cm”. Journal of Chitwan Medical College, vol. 7, no. 4, Dec. 2017, pp. 11-17, https://nepjol.info./index.php/JCMC/article/view/23697.