“Review GLOBAL PREVALENCE OF NON-COMMUNICABLE DISEASES MORBIDITY AND COMORBIDITY AMONG ELDERLY INDIVIDUALS: A SYSTEMATIC REVIEW OF OBSERVATIONAL STUDIES”. The Southeast Asian Journal of Tropical Medicine and Public Health 52, no. 6 (November 18, 2021): 762–779. Accessed April 16, 2026. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/507.