1Fimpel J, Stolpe M (2010) The welfare costs of HIV/AIDS in eastern Europe: an empirical assessment using the economic value-of-life approach. The European Journal of Health Economics 11: 305-322.

2Oliva-Moreno J, López-Bastida J, Serrano-Aguilar P, Perestelo-Pérez L (2010) Determinants of health care costs of HIV-positive patients in the Canary Islands, Spain. Eur J Health Econ 11: 405-412.

3Santelli JS, Lindberg LD, Finer LB, Singh S (2007) Explaining recent declines in adolescent pregnancy in the United States: the contribution of abstinence and improved contraceptive use. American Journal of Public Health 97: 150-156.

4Measor, L (2006) Condom use: a culture of resistance. Sex Education 6: 393-402.

5Shafii T, Stovel K, Davis R, Holmes K (2004) Is condom use habit forming?: Condom use at sexual debut and subsequent condom use. Sexually Transmitted Diseases 31: 366-372.

6Shafii T, Stovel K, Holmes K (2007) Association Association between condom use at sexual debut and subsequent sexual trajectories: a longitudinal study using biomarkers. Am J Public Health 97: 1090-1095.

7Stulhofer A, Baćak V, Ajduković D, Graham C (2010) Understanding the association between condom use at first and most recent sexual intercourse: an assessment of normative, calculative, and habitual explanations. Social Science & Medicine 70: 2080-2084.

8Donovan C ,McEwanR (1995). A review of the literature examining the relationship between alcohol use and HIV-related sexual risk-taking in young people. Addiction 90: 319-328.

9Rashad I, Kaestner R (2004) Teenage sex, drugs and alcohol use: problems identifying the cause of risky behaviors. J Health Econ 23: 493-503.

10Dee, Thomas S (2001) The effects of minimum legal drinking ages on the teen childbearing. Journal of Human Resources 36: 823-838.

11Carpenter, C (2005) Youth alcohol use and risky sexual behavior: evidence from underage drunk driving laws. Journal of Health Economics 24: 613-628.

12Grossman M, Kaestner R, Markowitz S (2005) An investigation of the effects of alcohol policies on youth STDs. In Lindgren B and Grossman M (eds.) Advances in health economics and health services research. Substance abuse: Individual behavior, social interactions, markets and politics. Oxford: Elsevier.

13Scribner RA, Cohen DA, Farley TA (1998) A geographic relation between alcohol availability and gonorrhea rates. Sexually Transmitted Diseases 25: 544-548.

14Chesson H, Harrison P, Kassler WJ (2000) Sex under the influence: the effect of alcohol policy on sexually transmitted disease rates in the United States. Journal of Law and Economics 43: 215-238.

15Schulte MT, Ramo D, Brown SA (2009) Gender differences in factors influencing alcohol use and drinking progression among adolescents. Clinical Psychology Review 29: 535-547.

16Briones-Vozmediano, E.,Vives-Cases, C. & Peiro-Perez, R (2012) Gender sensitivity in national health plans in Latin America and the European Union. Health Policy 106: 88-96.

17Lan PT, Faxelid E, Chuc NT, Mogren I, Lundborg CS (2008) Perceptions and attitudes in relation to reproductive tract infections including sexually transmitted infections in rural Vietnam: a qualitative study. Health Policy 86: 308-317.

18Melissa S. Kearney and Phillip B. Levine (2008) Reducing unplanned pregnancies through Medical Family Planning Services. Center on Children and Families CCF Brief 39.

19Thomas, A (2012) Policy solutions for preventing unplanned pregnancy. Center on Children and Families CCF Brief 47 .

20 Catania JA, Coates TJ, Kegeles S (1994) A test of the AIDS risk reduction model: psychosocial correlates of condom use in the AMEN cohort survey. Health Psychology 13: 548-555.

21Akers AY, Muhammad MR, Corbie-Smith G (2011) "When you got nothing to do, you do somebody": A community's perceptions of neighborhood effects on adolescent sexual behaviors. Soc Sci Med 72: 91-99.

22Richter A, Hicks KA, Earnshaw SR, Honeycutt AA (2008) Allocating HIV prevention resources: a tool for state and local decision making. Health Policy 87:342-349.

23Deblonde J1, Meulemans H, Callens S, Luchters S, Temmerman M, Hamers FF (2011) HIV testing in Europe: mapping policies. Health Policy 103: 101-110.

24Ainsworth M, Beyrer C, Soucat A (2003) AIDS and public policy: the lessons and challenges of "success" in Thailand. Health Policy 64: 13-37.