Prasetyo, Dwi, Gerritsen H. J, Mertens P., Labrune V., Leclipteux T, and Kuijper E. J. 2014. “Comparison of Enzyme-Immunoassay and Rapid Immunochromatography Test for Detecting Helicobacter Pylori Stool Antigen”. Majalah Kedokteran Bandung 46 (1):52-56. https://stable.unpadmedjournals.id/index.php/mkb/article/view/228.