RT Journal Article SR Electronic(1) A1 Lehtinen, M YR 2005 T1 Preparations for implementing human papillomavirus vaccination should begin JF Weekly releases (1997–2007) VO 10 IS 37 SP 2791 OP DO https://doi.org/10.2807/esw.10.37.02791-en UL https://www.eurosurveillance.org/content/10.2807/esw.10.37.02791-en