Simadibrata, M., Hardjodisastro, D. and Rani, A. A. (2005) “Pancreatic Exocrine Insufficiency in Chronic Diarrhea”, The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, 6(1), pp. 4–9. doi: 10.24871/6120054-9.