CASTILLO, Christine Joy G.; LORENZO, Enrique Ian. 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: 27 jun. 2025.