A. D. Bagamaspad, T. Gumarang, A. R. Sales, and C. G. Muaña, “Retrospective Review on Drug–Drug Interactions of Prescription Medicines among Elderly Patients in Luzon”, RG, vol. 13, Apr. 2022, Accessed: Aug. 08, 2026. [Online]. Available: https://ojs.uic.edu.ph/index.php/rootgatherers/article/view/48