Bagamaspad, Ashley Drake, Trisa Gumarang, Arnold Rey Sales, and Cherrie G. Muaña. “Retrospective Review on Drug–Drug Interactions of Prescription Medicines Among Elderly Patients in Luzon”. Root Gatherers 13, no. 1 (April 28, 2022). Accessed June 24, 2026. https://ojs.uic.edu.ph/index.php/rootgatherers/article/view/48.