Flavonoids from Psychotria serpens L., a Herbal Medicine with Anti-Cancer Activity. Journal of Cancer Research Updates, [S. l.], v. 4, n. 2, p.  60–64, 2015. DOI: 10.6000/1929-2279.2015.04.02.3. Disponível em: https://neoplasiaresearch.com/index.php/jcru/article/view/579. Acesso em: 17 apr. 2026.