Follow-up on oral and cervical human papillomavirus prevalence 2013–2015 in youth at a youth clinic in Stockholm, Sweden. Issue 2 (1st February 2016) - Grün, Nathalie; Ährlund-Richter, Andreas; Franzén, Joar; Mirzaie, Leila; Marions, Lena; Ramqvist, Torbjörn; Dalianis, Tina