“Geographic Information System-Based Spatial Modelling of Soil-Transmitted Helminth Infections Among Preschool-Aged Children in Masbate, Philippines”. Acta Medica Philippina 56, no. 13 (July 29, 2022). Accessed October 3, 2025. https://luna.upm.edu.ph/index.php/acta/article/view/3676.