Dela Victoria, C. M.; Flor, J. M. S. .; Aldana, J. P. A. .; Serrano, D. P. .; Lapitan, M. C. M. . Determination of Factors Affecting Stone Free Rates of Primary Percutaneous Nephrolithotripsy (PCNL) in a Tertiary Government Hospital. PJU 2022, 32.