Nilsson B. Ove, Knoth Mogens, and Nathan Eva. “Scanning Electron Microscopy of the Responses of Postmenopausal Endometrium to Treatment With Estriol and Estriolprogesterone”. Upsala Journal of Medical Sciences 85, no. 1 (March 1, 1980): 1-6. Accessed February 15, 2025. https://ujms.net/index.php/ujms/article/view/7186.