PLoS Medicine
(Accessed 9 May 2010)

A Population-Based Evaluation of a Publicly Funded, School-Based HPV Vaccine Program in British Columbia, Canada: Parental Factors Associated with HPV Vaccine Receipt
Gina Ogilvie, Maureen Anderson, Fawziah Marra, Shelly McNeil, Karen Pielak, Meena Dawar, Marilyn McIvor, Thomas Ehlen, Simon Dobson, Deborah Money, David M. Patrick, Monika Naus Research Article, published 04 May 2010
doi:10.1371/journal.pmed.1000270