1. Characterizing the HIV/AIDS Epidemic in the Middle East and North Africa
2. Afifi, R., DeJong, J., El-Barbir, F., El-Khoury, D., Ghanem, M., Kassak, K.…Shamra, S. (2008). Mishwar: An integrated bio-behavioral surveillance study among most at risk populations in Lebanon: Female sex workers, injections drug users, men who have sex with men, and prisoners final report. Beirut, Lebanon: Ministry of Public Health.
3. The central role of clients of female sex workers in the dynamics of heterosexual HIV transmission in sub-Saharan Africa
4. Sexual Risk Behaviors for HIV Infection in Spanish Male Sex Workers: Differences According to Educational Level, Country of Origin and Sexual Orientation
5. Bernard, H. R. (2002). Research methods in anthropology: Qualitative and quantitative approaches (3rd ed.). Thousand Oaks, CA: Sage.