Herwanto, Velma, and Andri Sanityoso. “Administration of Methotrexate in Rheumatoid Arthritis Patients With Chronic Hepatitis B”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 16, no. 1 (April 1, 2015): 57–63. Accessed October 19, 2026. https://ina-jghe.com/index.php/jghe/article/view/477.