Cytotoxicity of Taxillus tomentosus and Spilanthes calva in Different Cancer Cell Cultures In Vitro. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 13, n. 6, p. 671–676, 2021. DOI: 10.25004/IJPSDR.2021.130610. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/3492.. Acesso em: 16 oct. 2025.