-, Selfie, and Marcellus Simadibrata. “Diagnosis and Treatment of Refractory Gastroesophageal Reflux Disease (GERD)”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 16, no. 3 (December 1, 2015): 183–189. Accessed October 23, 2026. https://www.ina-jghe.com/index.php/jghe/article/view/502.