Related Experiment Videos
Abstract
No abstract available in PubMed .
Keywords:
AmericasClinical ResearchClinical TrialsContraceptionContraception ResearchContraceptive AgentsContraceptive EffectivenessContraceptive MethodsDeveloped CountriesFamily PlanningNonoxynol-9North AmericaNorthern AmericaResearch MethodologySpermicidal Contraceptive AgentsUnited StatesVaginal Spermicides