Jansson , Åsa, Margit Gustafsson, and Erik Wilander. “Efficiency of Cytological Screening for Detection of Cervical Squamous Carcinoma: A Study in the County of Uppsala 1991–1994”. Upsala Journal of Medical Sciences 103, no. 2 (December 31, 1998): 147-154. Accessed April 2, 2026. https://ujms.net/index.php/ujms/article/view/6617.