HPLC method for the simultaneous determination of four compounds in rat plasma after intravenous administration of Portulaca oleracea L. extract. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 48, n. 1, p. 163–170, 2012. DOI: 10.1590/S1984-82502012000100018. Disponível em: https://www.revistas.usp.br/bjps/article/view/46166.. Acesso em: 2 may. 2024.