Tiblom Ehrsson , Y., Stenhammar , C., Rosenblad , A., Åkerud , H., Larsson , M., & Tydén , T. (2015). Self-reported sexually transmitted infections among female university students. Upsala Journal of Medical Sciences, 121(1), 45–49. https://doi.org/10.3109/03009734.2015.1093568