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The Journal of Economic Perspectives, ISSN 0895-3309, 4/2012, Volume 26, Issue 2, pp. 141 - 166
Why is the rate of teen childbearing is so unusually high in the United States as a whole, and in some U.S. states in particular? U.S. teens are two and a half... 
Pregnancy | Birth control | Human sexual behavior | Income inequality | Economic theory | Contraception | Children | Birth rates | Teen pregnancy | Mothers | CONTRACEPTIVE USE | COSTS | UNINTENDED PREGNANCY | NATURAL EXPERIMENT | CONSEQUENCES | OF-WEDLOCK CHILDBEARING | SEXUAL-BEHAVIOR | WELFARE BENEFITS | ECONOMICS | FERTILITY | CHILDREN | Demography | Sexual Behavior - ethnology | United States | Humans | Income | Data Collection | Socioeconomic Factors | Young Adult | Contraception - utilization | Pregnancy Rate - ethnology | Fertility | Health Services Accessibility | Marital Status - statistics & numerical data | Sexual Abstinence | Adult | Female | Contraception Behavior - statistics & numerical data | Pregnancy Rate - trends | Abortion, Induced - trends | Ethnic Groups - statistics & numerical data | Abortion, Induced - statistics & numerical data | Sexual Behavior - statistics & numerical data | Social Alienation | Health Knowledge, Attitudes, Practice | Forecasting | Birth Rate - ethnology | Pregnancy in Adolescence - statistics & numerical data | Pregnancy in Adolescence - ethnology | Developed Countries | Adolescent | Birth Rate - trends | Sex Education - methods | Adolescent Behavior | Continental Population Groups - statistics & numerical data | Forecasts and trends | Economic conditions | Social aspects | Statistics | Teenage girls | Studies | Births | Teenagers | Economic impact | Girls
Journal Article
Journal of Adolescent Health, ISSN 1054-139X, 2007, Volume 40, Issue 3, pp. 206 - 217
Journal Article
The New England Journal of Medicine, ISSN 0028-4793, 08/2012, Volume 367, Issue 5, pp. 399 - 410
Journal Article
New England Journal of Medicine, ISSN 0028-4793, 08/2012, Volume 367, Issue 5, pp. 423 - 434
Background Preexposure prophylaxis with antiretroviral agents has been shown to reduce the transmission of human immunodeficiency virus (HIV) among men who... 
PREVENTION | TRIALS | MEDICINE, GENERAL & INTERNAL | TENOFOVIR DISOPROXIL FUMARATE | INFECTION | EMTRICITABINE | HIV Infections - prevention & control | Humans | Drug Resistance, Viral | Male | RNA, Viral - blood | Viral Load | Tenofovir | Young Adult | Deoxycytidine - therapeutic use | Adenine - adverse effects | Adenine - therapeutic use | HIV-1 - isolation & purification | Adult | Deoxycytidine - adverse effects | Female | HIV-2 - genetics | Contraception Behavior - statistics & numerical data | Drug Therapy, Combination | Emtricitabine | Anti-Retroviral Agents - therapeutic use | Adenine - analogs & derivatives | HIV Seropositivity | Organophosphonates - therapeutic use | HIV-2 - isolation & purification | Anti-Retroviral Agents - adverse effects | Kaplan-Meier Estimate | Organophosphonates - adverse effects | Proportional Hazards Models | Sexual Behavior - statistics & numerical data | HIV-1 - genetics | Bone Density - drug effects | Adolescent | Deoxycytidine - analogs & derivatives | Prevention | Drugs | Dose-response relationship (Biochemistry) | Control | Disease transmission | Dosage and administration | Product/Service Evaluations | Drug therapy | HIV infection | Medical research | Prophylaxis | Infections | Nausea | Disease control | Studies | Motivation | Antiretroviral agents | Vomiting | Human immunodeficiency virus--HIV | Bone mineral density
Journal Article