Monitoring microbicide coverage.
D000282:Administration, Intravaginal; D005260:Female; D006801:Humans; D017137:Nonoxynol / Q000493:pharmacokinetics*; D013089:Spermatocidal Agents / Q000493:pharmacokinetics*; D014621:Vagina / Q000378:metabolism*
D013089:Spermatocidal Agents; D017137:Nonoxynol