Heimer Gun M., and Englund Doris E. “Enterohepatic Recirculation of Oestriol Studied in Cholecystectomized and Non-Cholecystectomized Menopausal Women”. Upsala Journal of Medical Sciences 89, no. 2 (June 1, 1984): 107-115. Accessed March 28, 2024. https://ujms.net/index.php/ujms/article/view/7014.