COMPARATIVE STUDY OF ONDANSETRON VS PLACEBO FOR PREVENTION OF SPINAL INDUCED HYPOTENSION. Frontier in Medical and Health Research, [S. l.], v. 3, n. 4, p. 1081–1087, 2025. Disponível em: https://fmhr.net/index.php/fmhr/article/view/1778.. Acesso em: 10 oct. 2026.