1. Revision of the CDC surveillance case definition for acquired immunodeficiency syndrome;Centers for Disease Control;MMWR,1987
2. Classification system for human T-lymphotropic virus type III/lymphadenopathy-associated virus infections;Centers for Disease Control;MMWR,1986
3. Centers for Disease Control 1992 revised classification system for HIV infection and expanded AIDS surveillance case definition for adolescents and adults MMWR 1992
4. Expansion of AIDS case definition;Griensven;Lancet,1991
5. Effect of new AIDS case definition on numbers of cases among homosexual and bisexual men in San Francisco;Sheppard;JAMA,1991