Cahyono, S.B. et al. 2013. Ultrasound-Diagnosed Non-Alcoholic Fatty Liver Disease among Medical Check Up Patients. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy. 14, 3 (Dec. 2013), 145–149. DOI:https://doi.org/10.24871/1432013145-149.