Notariza, K. R., N. Nurcholis, H. Yusaryahya, N. S. Karimah, A. Y. Mansur, G. Adhiguna, and T. J. E. Tarigan. “Gastroesophageal Reflux Disease Among Elderly Type 2 Diabetes Mellitus in a Rural Area of Central Sulawesi: A Cross-Sectional Study”. Acta Medica Indonesiana, vol. 53, no. 1, Mar. 2021, p. 42, https://actamedindones.org/index.php/ijim/article/view/1526.