Atis, G., Culpan, M., Pelit, E. S., Canakci, C., Ulus, I., Gunaydin, B., Yildirim, A., & Caskurlu, T. (2017). Comparison of percutaneous nephrolithotomy and retrograde intrarenal surgery in treating 20-40 mm renal stones. Urology Journal, 14(2), 2995-2999. https://doi.org/10.22037/uj.v14i2.3600