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[3] HIV. Preventing Perinatal Transmission of HIV. [EB/OL]. https://www.hiv.gov/hiv-basics/hiv-prevention/reducing-mother-to-child-risk/preventing-mother-to-child-transmission-of-hiv
[4] CDC. HIV Risk and Prevention – HIV/AIDS. [EB/OL]. https://www.cdc.gov/hiv/risk/estimates
/riskbehaviors.html
[5] Stanford Health Care. Transmission of HIV/AIDS. EB/OL]. https://stanfordhealthcare.org/medical-conditions/sexual-and-reproductive-health/hiv-aids/causes.html
[6] Terrence Higgins Trust. How HIV is transmitted. [EB/OL]. https://www.tht.org.uk/hiv/about-hiv/how-hiv-transmitted
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