@article{Hansen2020,
author = {Hansen, B.T. and Kjær, S.K. and Arnheim-Dahlström, L. and Liaw, L.-L. and Juul, K.E. and Thomsen, L. T. and Frederiksen, K. and Elfström, K.M. and Munk, C. and Nygård, M. },
title= {Age at first intercourse, number of partners and sexually transmitted infection prevalence among Danish, Norwegian and Swedish women: Estimates and trends from nationally representative cross‐sectional surveys of more than 100 000 women},
year = {2020},
doi = {10.1111/aogs.13732},
volume = {99},
number = {2},
pages = {175--185},
}