Hafiz Anugrah Mursyid, and Yessica Sheila Sitompul. “What Is The Prevalence of Acute Cardiovascular Events Among Elderly Hajj Pilgrims (≥60 Years), and What Are The Associated Risk Factors? : A Systematic Review”. The International Journal of Medical Science and Health Research, vol. 39, no. 2, Apr. 2026, pp. 1-50, https://doi.org/10.70070/dqbmkn79.