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Diakses pada 16 April 2019CDC. https://www.cdc.gov/std/hpv/stdfact-hpv.htm
Diakses pada 30 Agustus 2019Healthline. https://www.healthline.com/health/human-papillomavirus-infection#facts-and-statistics
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Diakses pada 16 April 2019Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/hpv-infection/in-depth/hpv-vaccine/art-20047292
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Diakses pada 16 April 2019