RAM, K. K. .; KUMAR, A. .; SINGH, R. . Morphological analysis of sacral hiatus variations and their relevance in caudal epidural Anesthesia. Indian Journal of Pharmaceutical and Biological Research, [S. l.], v. 14, n. 04, p. 95–104, 2026. DOI: 10.30750/ijpbr.14.4.14. Disponível em: https://www.ijpbr.in/index.php/IJPBR/article/view/1369. Acesso em: 7 sep. 2026.