The Efficacy, Safety & Outcomes of Laparoscopic Pyelolithotomy (retroperitoneoscopic Pyelolithotomy) and Its Comparison With Percutaneous Nephrolithotomy. Int J of Biomed & Adv Res 2015, 6 (4), 363-367. https://doi.org/10.7439/ijbar.v6i4.1968.