Tiblom Ehrsson Y., Stenhammar C., Rosenblad A., Åkerud H., Larsson M., and Tydén T. “Self-Reported Sexually Transmitted Infections Among Female University Students”. Upsala Journal of Medical Sciences, vol. 121, no. 1, Oct. 2015, pp. 45–49, doi:10.3109/03009734.2015.1093568.