Junbo, L., Yugen, L., Guo, J., Jing, H., Ruichao, Y., & Tao, W. (2019). Retrograde Intrarenal Surgery vs. Percutaneous Nephrolithotomy vs. Extracorporeal Shock Wave Lithotripsy for Lower Pole Renal Stones 10-20 mm : A Meta-analysis and Systematic Review. Urology Journal, 16(2), 97–106. https://doi.org/10.22037/uj.v16i2.4681