Assessment of Necessity of Retrograde Filling during PCNL Tract Dilatation. Journal of Bahria University Medical and Dental College, [S. l.], v. 15, n. 02, p. 80–85, 2025. DOI: 10.51985/JBUMDC2024450. Disponível em: https://jbumdc.bahria.edu.pk/index.php/jbumdc/article/view/8. Acesso em: 9 may. 2026.