An Observational Study on Success of Ureteral Access Sheath Placement during Primary Retrograde Intra-Renal Surgery for Renal Stones. Annals of Medicine and Medical Sciences, [S. l.], p. 479–484, 2025. DOI: 10.5281/. Disponível em: https://ammspub.com/index.php/amms/article/view/193. Acesso em: 26 jun. 2025.