Goyal, A., K. Mukerjee, T. Karaolides, C. Bach, A. Papatsoris, and J. Masood. “Inferior Distraction of the Kidney to Aid Upper Pole and Supracostal Punctures During Supine Percutaneous Renal Access”. Urology Journal, vol. 9, no. 4, Dec. 2012, pp. 706-10, doi:10.22037/uj.v9i4.1803.