1.Arnheim-Dahlstr？m L et al. Autoimmune, neurological, and venous thromboembolic adverse events after immunisation of adolescent girls with quadrivalent human papillomavirus vaccine in Denmark and Sweden: cohort study(link is external) BMJ. 2013;347:f5906.
2.Scheller NM et al. Quadrivalent HPV Vaccination and Risk of Multiple Sclerosis and Other Demyelinating Diseases of the Central Nervous System.(link is external) JAMA. 2015;313:54-61.
3.Therapeutic Goods Administration. Complex regional pain syndrome and vaccines. Medicines Safety Update. Vol. 5, No. 3, June 2014.
4.US Centers for Disease Control. Frequently Asked Questions about HPV Vaccine Safety(link is external). www.cdc.gov(link is external). Cited 13 February 2015.