Antimicrobial Effect of Chloroform Hibiscus sabdariffa Extract on Pathogenic Bacteria. Journal of Pharmaceutical Negative Results, [S. l.], v. 11, n. 1, p. 15–18, 2020. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/146.. Acesso em: 3 jun. 2026.