BISWAS, M.; MITTAL, A.; SARPAL, R.; AGRAWAL, S.; PAL, R.; SINGH, K. Whether retrograde pyelography mandatory for percutaneous nephrolithotomy: a randomized clinical trial. International Journal of Research in Medical Sciences, [S. l.], v. 4, n. 10, p. 4477–4480, 2016. DOI: 10.18203/2320-6012.ijrms20163314. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/308. Acesso em: 12 oct. 2025.