TY - JOUR T1 - Attitudes and knowledge among parents or guardians of 12-year-old girls about HPV vaccination – A population-based survey in Iceland A1 - Oddsson,K. A1 - Gudmundsdottir,Th. A1 - Briem,H. JO - European Journal of Gynaecological Oncology VL - 37 IS - 6 SP - 837 EP - 841 SN - 2709-0086 Y1 - 2016 ER -