EFFECT OF MAGNESIUM WITH ROPIVACAINE IN SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK FOR POST-OPERATIVE ANALGESIA: A RANDOMIZED CONTROLLED STUDY. Asian Journal of Medical Research and Health Sciences, [S. l.], v. 4, n. 2, p. 1550–1557, 2026. DOI: 10.65605/a-jmrhs.2026.v04.i02.pp1550-1557. Disponível em: https://ajmrhs.com/journal/article/view/646. Acesso em: 22 aug. 2026.