Comparative study between Nalbuphine and Dexmedetomidine as an adjuvant to Ropivacaine for Caudal Block in children undergoing infra umbilical surgeries. International Journal of Biomedical and Advance Research, [S. l.], v. 9, n. 4, p. 157–161, 2018. DOI: 10.7439/ijbar.v9i4.4742. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4742. Acesso em: 14 mar. 2025.