Maternal human papillomavirus infections at mid-pregnancy and delivery in a Scandinavian mother–child cohort study oleh Magdalena R. Værnesbranden, Johanna Wiik, Katrine Sjøborg, Anne Cathrine Staff, Karin C. Lødrup Carlsen, Guttorm Haugen, Gunilla Hedlin, Katarina Hilde, Björn Nordlund, Camilla F. Nystrand, Anbjørg Rangberg, Eva Maria Rehbinder, Knut Rudi, Corina Silvia Rueegg, Yvonne Sandberg, Sigrid Sjelmo, Håvard O. Skjerven, Cilla Söderhäll, Riyas Vettukattil, Christine M. Jonassen