fasani, S.A., Bhuiyan, A.Z.I. and Bhuiyan, M.Z.H. 2020. Comparative study on safety and Ifficacy of PCNL with open Surgery in the treatment of patients having large kidney stones. Bangladesh Journal of Urology. 16, 2 (Mar. 2020), 51–56. DOI:https://doi.org/10.3329/bju.v16i2.45941.