1. Centers for Disease Control and Prevention. (2005). HIV/AIDS surveillance report, 2004. Retrieved April 13, 2009, from http://www.cdc.gov/hiv/topics/surveillance/resources/reports/2004report/pdf/2004SurveillanceReport.pdf
2. Centers for Disease Control and Prevention. (2006a). A glance at the HIV/AIDS epidemic. Retrieved April 13, 2009, from http://www.cdc.gov/hiv/resources/factsheets/PDF/At-A-Glance.pdf
3. Centers for Disease Control and Prevention. (2006b). HIV/AIDS surveillance report, 2005. Retrieved April 13, 2009, from http://www.cdc.gov/hiv/topics/surveillance/resources/reports/2005report/default.htm
4. Centers for Disease Control and Prevention. (2007). HIV/AIDS surveillance report, 2006. Retrieved April 13, 2009, from http://www.cdc.gov/hiv/topics/surveillance/resources/reports/2006report/default.htm
5. NTC's dictionary of Mexican cultural code words;DeMente,1996