CASTILLO, C. J. G. .; LORENZO, E. I. . A Retrospective Study on Retrograde Intra-renal Surgery With versus Without the Use of Ureteral Access Sheaths in Patients with Nephrolithiasis. Philippine Journal of Urology, [S. l.], v. 33, n. 01, 2023. Disponível em: https://pjuonline.com/index.php/pju/article/view/164. Acesso em: 12 may. 2024.