Simadibrata, Marcellus, Daldiyono Hardjodisastro, and Abdul Aziz Rani. 2005. “Pancreatic Exocrine Insufficiency in Chronic Diarrhea”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 6 (1):4-9. https://doi.org/10.24871/6120054-9.