References
- Ramqvist T, Du J, Lunden M, Ährlund-Richter S, Ferreira J, Marions L, et al. Pre-vaccination prevalence of human papillomavirus types in the genital tract of 15–23-year-old women attending a youth health clinic in Stockholm, Sweden. Scand J Infect Dis 2011;43:115–21.
- Du J, Nordfors C, Ahrlund-Richter A, Sobkowiak M, Romanitan M, Näsman A, et al. Prevalence of oral human papillomavirus infection among youth, Sweden. Emerg Infect Dis 2012;18:1468–71.
- Grun N, Ahrlund-Richter A, Franzen J, Mirzaie L, Marions L, Ramqvist T, et al. Oral human papillomavirus (HPV) prevalence in youth and cervical HPV prevalence in women attending a youth clinic in Sweden, a follow up-study 2013–2014 after gradual introduction of public HPV vaccination. Infect Dis 2015;47:57–61.
- Dalianis T, Grün N, Koch J, Vlastos A, Tertipis N, Nordfors C, et al. Human papillomavirus DNA and p16INK4a expression in hypopharyngeal cancer and in relation to clinical outcome, in Stockholm, Sweden. Oral Oncol 2015;51:857–61.