Khan, I. U., R. A. Khan, B. G. Wazir, M. Naeem, and Q. Iqbal. “Comparison of Stone Free Rate of Supine Vs Prone Position in Percuteneous Nephrolithotomy”. Journal of Saidu Medical College, vol. 9, no. 2, Jan. 2020, doi:10.52206/jsmc.2019.9.2.%p.