1. Merck's new cervical cancer vaccine, Gardasil, unanimously recommended by CDC Advisory Panel for Vaccination of Girls and Women 11 to 26 Years, http://www.merck.com/newsroom/press_releases/product/2006_0629.html.
2. Prevention of recurrent respiratory papillomatosis: role of HPV vaccination;Freed;Int. J. Pediatr. Otorhinolaryngol.,2006
3. Gardasil is the only vaccine that may help guard against diseases that are caused by human papillomavirus (HPV) Types 6, 11, 16, and 18, http://www.gardasil.com.
4. Who should receive Gardasil? http://www.gardasil.com/who-should-receive-gardasil.html.
5. Gardasil quadravalent human papillomavirus (Types 6, 11, 16, 18) recombinant vaccine, http://www.merck.com/product/usa/pi_circulars/g/gardasil/gardasil_pi.pdf.