Phytochemical Analysis and Antibacterial Activity of Purple Leaf Extract [Graptophyllum pictum (L.) Griff] Against Streptococcus mutans. Acta Medica Philippina, [S. l.], v. 55, n. 8, 2021. DOI: 10.47895/amp.v55i8.2125. Disponível em: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/2125. Acesso em: 5 apr. 2025.