A A Mvan Oeffelen, I V Fvan den Broek, MDoesburg, BBoogmans, H MGötz, F A Mvan Leeuwen-Voerman, M Gvan Veen, P JWoestenberg, B H Bvan Benthem, J Evan Steenbergen
Sexually Transmitted Infections Feb 2017, 93 (1) 46-51; DOI: 10.1136/sextrans-2016-052558