title: N-9 film study a blow for microbicide research.
mesh_terms: D002163:Cameroon; D002690:Chlamydia Infections / Q000517:prevention & control; D017280:Condoms / Q000706:statistics & numerical data*; D005260:Female; D006069:Gonorrhea / Q000517:prevention & control; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D017137:Nonoxynol / Q000009:adverse effects / Q000627:therapeutic use*; D011477:Sex Work; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D013089:Spermatocidal Agents / Q000009:adverse effects / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D013089:Spermatocidal Agents; D017137:Nonoxynol