“Philippine Tsaang Gubat (Ehretia Microphylla Lam) and Ampalaya (Momordica Charantia L.) Leaf Extracts Lack Amoebicidal Activity in Vitro”. Acta Medica Philippina 54, no. 1 (February 5, 2020). Accessed April 11, 2025. https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/1081.