Ridho Prip Trijasa Siringoringo, et al. “Association of Obesity to The Prevalence and Severity of Gastroesophageal Reflux Disease (GERD) : A Systematic Review”. The International Journal of Medical Science and Health Research, vol. 16, no. 1, Sept. 2025, pp. 1-35, https://doi.org/10.70070/20rgev08.