Epidemiology and Prevention of Vaccine-Preventable Diseases. Centers for Disease Control and Prevention. Retrieved on 14 August from https://www.cdc.gov/vaccines/pubs/pinkbook/hepa.html
(2020) Handbook on Adult Vaccination in Singapore. 2020 Society of Infectious Diseases Singapore College of Family Physicians, Singapore Chapter of Infectious Disease Physicians. Retrieved on 14 August.
Principal Causes of Death. Ministry of Health. Retrieved on 14 August from https://www.moh.gov.sg/resources-statistics/singapore-health-facts/principal-causes-of-death
Screen for Life National Program. Healthhub. Retrieved on 14 August 2022 from https://www.healthhub.sg/programmes/61/Screen_for_Life
(2018, 7 November) Appropriate Care Guide, Osteoporosis. Agency for Care Effectiveness. Ministry of Health. Retrieved on 14 August.
FAQs of HPV and HPV immunization. Retrieved on 14 August 2022 from https://www.healthhub.sg/a-z/diseases-and-conditions/701/faqs-on-hpv-and-hpv-immunisation
National Adult Immunisation Schedule. Primary Care Pages. Retrieved on 14 August 2022 from https://www.primarycarepages.sg/Pages/Practice%20Management/National-Adult-Immunisation-Schedule-%28NAIS%29.aspx
HPV and Cervical cancer fact sheet. World Health Organization. Retrieved on 14 August 2022 from https://www.who.int/news-room/fact-sheets/detail/cervical-cancer
Keeping Bones Strong with Exercise and Calcium-Rich foods. Healthhub. Retrieved on 14 August 2022 from https://www.healthhub.sg/live-healthy/759/keeping-bones-strong
Jiayao Lei, Alexander Ploner (2020, Oct 1) HPV Vaccination and the Risk of Invasive Cervical Cancer. New England Journal of Medicine. 383 (14) : 1340 – 1348. Retrieved on 14 August.