Wang, Y., Lu, Z., Hu, J., Wang, X., Lu, J., Hao, Y., Wang, Y., Chen, Q., Jiang, F., Zhang, H., Xu, N., Hou, Y. and Wang, C. 2014. Renal Access by Sonographer versus Urologist during Percutaneous Nephrolithotomy. Urology Journal. 10, 4 (Jan. 2014), 1035–1039. DOI:https://doi.org/10.22037/uj.v10i4.1580.