Zhang, X., Gu, J., Chen, X., Dai, Y., Chen, M., Hu, S., Liu, Z., & Li, D. (2020). Single Percutaneous Tract Combined with Flexible Nephroscopy in the Management of Kidney Stones 2-4 cm: Better Options of Treatment Protocols. Urology Journal, 16(7). https://doi.org/10.22037/uj.v0i0.5427