Loho, Tonny. “Diagnostic Tests for Helicobacter Pylori Infection”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 9, no. 1 (January 4, 2008): 16–23. Accessed October 2, 2026. https://www.ina-jghe.com/index.php/jghe/article/view/219.