He, zhaohui, F. Tang, Z. Lu, Y. He, G. Wei, F. Zhong, G. Zeng, W. Wu, L. Yan, and Z. Li. “Comparison of Supracostal and Infracostal Access For Percutaneous Nephrolithotomy: A Systematic Review and Meta-Analysis”. Urology Journal, vol. 16, no. 2, May 2019, pp. 107-14, doi:10.22037/uj.v16i2.4727.