AnatomyDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceNamed GroupsHealth CareGeographicals
CondomsSafe SexSexual BehaviorContraceptive Devices, MaleSexually Transmitted DiseasesSexual PartnersUnsafe SexProstitutionSex FactorsRisk-TakingSex WorkersHIV InfectionsContraception BehaviorSex CharacteristicsHealth Knowledge, Attitudes, PracticeNegotiatingSexSex EducationCoitusHomosexuality, MaleHeterosexualitySex CounselingSexual AbstinenceSex ChromosomesQuestionnairesCross-Sectional StudiesAdolescent BehaviorEquipment FailureSex Determination ProcessesContraceptionRisk Reduction BehaviorContraception, BarrierSocial MarketingNamibiaContraceptive DevicesSelf EfficacySouth AfricaRisk FactorsContraceptive Devices, FemaleIntentionInterviews as TopicSex DistributionSpermatocidal AgentsLogistic ModelsAcquired Immunodeficiency SyndromeLubricationAfrican AmericansHIV SeropositivitySex DifferentiationWomenSwazilandHealth EducationExtramarital RelationsHealth PromotionPrevalenceSocioeconomic FactorsAssertivenessCrack CocaineUrban PopulationSex AttractantsLubricantsSex Determination AnalysisAttitude to HealthBisexualityHomosexualityMarital StatusIndiaDisorders of Sex DevelopmentZambiaInterpersonal RelationsStudentsSexualityUnited StatesSubstance Abuse, IntravenousZimbabwePower (Psychology)LatexFamily Planning ServicesSex OffensesProgram EvaluationLos AngelesNew York CityGeorgiaPhilippinesMadagascarGonorrheaHealth BehaviorChinaNonoxynolPrisonersBahamasTransients and MigrantsKenyaDisease Transmission, InfectiousSubstance-Related DisordersTanzaniaContraceptive AgentsWomen, WorkingMultivariate AnalysisSex Preselection