SWAIN, S. .; PADHI, D. .; DAS, S. K. .; MAHANTY, R. R. . Comparative Analgesic Efficacy of Adding Magnesium Sulphate to Bupivacaine in Serratus Anterior Plane Block to Reduce Pain After Mastectomy: A Prospective Comparative Study at SCB Medical College & Hospital, Cuttack. Indian Journal of Pharmaceutical and Biological Research, [S. l.], v. 14, n. 04, p. 192–198, 2026. DOI: 10.30750/ijpbr.14.4.28. Disponível em: https://www.ijpbr.in/index.php/IJPBR/article/view/1389. Acesso em: 4 oct. 2026.