As easy as ABC? Primary prevention of sexually transmitted infections.
Stammers
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D017280:Condoms / Q000706:statistics & numerical data; D005260:Female; D015658:HIV Infections / Q000517:prevention & control*; D006801:Humans; D008297:Male; D021841:Safe Sex; D012736:Sex Education; D012746:Sexual Abstinence; D012747:Sexual Partners; D014454:Uganda