Antibacterial Activity of Guyabano, Ulasimang Bato, Sambong, and Tsaang Gubat Leaf Extracts against Common Drug-resistant Bacteria. Acta Med Philipp [Internet]. 2020 Feb. 5 [cited 2025 Apr. 11];54(1). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/1087