HAYK SURESH NEGIN. Hyperbaric Bupivacaine asAdjuvant in Spinal Anesthesia . Open Journal of Physicians and Surgeons , [S. l.], v. 6, n. 2, p. 50–58, 2025. Disponível em: https://ojps.site/index.php/Journal/article/view/5. Acesso em: 21 oct. 2025.