A Study of Percutaneous Nephrolithotomy (PCNL) & Grading the Complexity of PCNL using Modified Guys Stone Score. Journal of Recent Advances in Applied Sciences (pISSN 0970-1990), [S. l.], v. 41, n. 2, p. 1–9, 2026. DOI: 10.71393/583da669. Disponível em: https://internationalmedicalpublishing.com/index.php/JRAAS/article/view/361. Acesso em: 3 nov. 2026.