Magnesium sulfate vs clonidine as an adjunct to epidural bupivacaine: A randomized controlled study. Asian Journal of Pharmaceutical and Health Sciences, [S. l.], v. 9, n. 2, p. 2078–2083, 2019. DOI: 10.5530/xc4p6m49. Disponível em: https://ajphs.com/index.php/ajphs/article/view/179. Acesso em: 23 sep. 2025.