Gustafsson , Jan, Gunvor Alvelius, Ingemar Björkhem, and Antal Nemeth. “Bile Acid Metabolism in Extrahepatic Biliary Atresia”. Upsala Journal of Medical Sciences 111, no. 1 (July 12, 2009): 131–136. Accessed April 1, 2026. https://ujms.net/index.php/ujms/article/view/6454.