PRADEEPA, M.; SINHA, M. M.; TYAGI, K. The halo sign during a percutaneous nephrolithotomy puncture. Canadian Urological Association Journal, [S. l.], v. 10, n. 3-4, p. E130, 2016. DOI: 10.5489/cuaj.3353. Disponível em: https://cuaj.ca/index.php/journal/article/view/3353. Acesso em: 26 apr. 2024.