1. Kaposi's Sarcoma and Pneumocystis Pneumonia among Homosexual Men - New York City and California;MMWR,1981
2. Pneumocystis carinii pneumonia and mucosal candidiasis in previously healthy homosexual men: evidence of a new acquired cellular immunodeficiency;Gottlieb;NEJM,1981
3. Gay compromise syndrome;Brennan;Lancet,1981
4. UNAIDS: 2008 Report on the global AIDS epidemic 2008 http://www.unaids.org/en/KnowledgeCentre/HIVData/GlobalReport/2008/2008_Global_report.asp
5. HIV Prevalence, unrecognized infection, and HIV testing among men who have sex with men-Five U.S. cities June 2004-April 2005;MMWR,2005