RONCHI SPILLERE, Adriano; AZEVEDO, Laura Alencastro de; ALMEIDA, Juliana Severo; OLIVEIRA, Sarah Carobini Werner de Souza Eller Franco de; OLIVEIRA, Tiago Franco de; PEREIRA DOS SANTOS, Bruno; CASTRO, Simone Martins de. Valproic acid quantification in human serum by LC-MS/MS: method development and comparison with immunoassay. Drug Analytical Research, Porto Alegre, v. 10, n. 1, p. 32–38, 2026. DOI: 10.22456/dar.v10i1.154530. Disponível em: https://seer.ufrgs.br/index.php/dar/article/view/154530. Acesso em: 1 aug. 2026.