Quantitative analysis of phenobarbital in biological fluids: Analyte enrichment by an electrically-assisted microextraction technique. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 56, p. e17839, 2020. DOI: 10.1590/s2175-97902019000417839 A. Disponível em: https://www.revistas.usp.br/bjps/article/view/181574.. Acesso em: 5 may. 2024.