Jurnalis, Y. D., Sayoeti, Y. and Dewi, S. (2014) “Helicobacter pylori Infection in Children with Recurrent Abdominal Pain and Positive Biopsy Findings”, The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, 14(1), pp. 49–53. doi: 10.24871/141201349-53.