Imro’ati, Tri Asih, Titong Sugihartono, Budi Widodo, Eva Pravitasari Nefertiti, Ivan Rovian, and I Gede Nyoman Wibawa. 2021. “The Relationship Between Serum Total Oxidant Status, Total Antioxidant Status, and Oxidative Stress Index With Severity Levels of Gastroesophageal Reflux Disease: A Literature Review”. Open Access Macedonian Journal of Medical Sciences 9 (F):584-89. https://doi.org/10.3889/oamjms.2021.7346.