Zubir, Nasrul, Dona Elfina, and Julius R. Samban. 2000. “Helicobacter Pylori in Dyspeptic Patients in M. Jamil Hospital-Padang”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 1 (1):5-8. https://doi.org/10.24871/1120005-8.