DiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureHumanitiesInformation ScienceNamed GroupsHealth CareGeographicals
Pregnancy in AdolescenceAdolescent BehaviorLicensureAutomobile DrivingBirth RateContraceptionAccidents, TrafficAutomobile Driver ExaminationParent-Child RelationsAdolescent PsychologyCourtshipAdolescent Health ServicesParentingAdolescent MedicinePermissivenessSexual BehaviorRisk-TakingElimination DisordersParentsUnited StatesDeceptionAdolescent Nutritional Physiological PhenomenaPregnancySex EducationHispanic AmericansAuthoritarianismViolenceWest VirginiaPeer GroupMichiganOregonSchoolsDramaBehavior ControlContraception BehaviorPregnancy, UnplannedSmokingInterpersonal RelationsSuntanAfrican AmericansAlcohol DrinkingLongitudinal StudiesLaw EnforcementHealth Knowledge, Attitudes, PracticeSmoking CessationSchool NursingSeat BeltsContraceptive DevicesMidwestern United StatesReproductive Health ServicesAttitude to HealthSubstance-Related DisordersWisconsinAge FactorsUrban PopulationFocus GroupsHealth PromotionCD-ROMCounselingAttitudeSocial EnvironmentAutomobilesMotor VehiclesQuestionnairesHealth SurveysRisk FactorsCaliforniaFamily RelationsHealth EducationMotion Pictures as TopicSafetyCommunicationProgram EvaluationText MessagingDiphtheria-Tetanus VaccineInterviews as TopicAggressionFriendsAfrican Continental Ancestry GroupSocioeconomic FactorsPersuasive CommunicationMarijuana AbuseSex FactorsConnecticutTruth DisclosureData CollectionInternetCoitusCultureVirginiaHospital RecordsAdolescent DevelopmentCrimeWashingtonChicagoTic DisordersCross-Sectional StudiesMotivationSex OffensesMass Media