Retrograde Intra-Renal Surgery Using Thulium Fibre Laser as an Alternative to Percutaneous Nephrolithotomy in the Management of Multiple Renal Stones: A Case Report and Literature Review. Nigerian Journal of Urology, [S. l.], v. 11, n. 1-2, p. 121–126, 2026. DOI: 10.5281/. Disponível em: https://mail.nju.org.ng/index.php/nju/article/view/83. Acesso em: 23 oct. 2026.