Simadibrata, P., Simadibrata, R. and Simadibrata, M. (2002) “Detection Of Helicobacter Pylori Infection With Stool Antigen: Comparison With Other Techniques”, The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, 3(2), pp. 46–49. doi: 10.24871/32200246-49.