Chi, Q., Wang, Y., Lu, J., Wang, X., Hao, Y., Lu, Z., … Wang, Y. (2014). Ultrasonography Combined with Fluoroscopy for Percutaneous Nephrolithotomy: An Analysis Based on Seven Years Single Center Experiences. Urology Journal, 11(1), 1216–1221. https://doi.org/10.22037/uj.v11i1.1951