Todd, C. S., Abed, A. M., Strathdee, S. A., Scott, P. T., Botros, B. A., Safi, N., & Earhart, K. C. (2007). HIV, Hepatitis C, and Hepatitis B Infections and Associated Risk Behavior in Injection Drug Users, Kabul, Afghanistan. Centers for Disease Control and Prevention.

Todd, Catherine S., Abdullah M.S Abed, Steffanie A. Strathdee, Paul T. Scott, Boulos A. Botros, Naqibullah Safi, و Kenneth C. Earhart. HIV, Hepatitis C, and Hepatitis B Infections and Associated Risk Behavior in Injection Drug Users, Kabul, Afghanistan. Centers for Disease Control and Prevention, 2007.

Todd, Catherine S., et al. HIV, Hepatitis C, and Hepatitis B Infections and Associated Risk Behavior in Injection Drug Users, Kabul, Afghanistan. Centers for Disease Control and Prevention, 2007.