| Antibody tests | Negative AIDS cases | Non ICL | KS |
| Kaposi's sarcoma among HIV-negative high risk population. |
| Safai B, Peralta H, Menzies K, Tizon H, Roy P, Flomberg N, Wolinsky S. |
| | another 6 cases of HIV-free Kaposi’s sarcoma were reported in an HIV-free "high risk population" from New York |
| | VII International Conference on AIDS. 1991; | 1991 |
| Kaposi’s sarcoma in HIV-negative homosexual men. |
| Friedman-Kien, A. E., Saltzman, B. R., Cao, Y., Nestor, M. S., Mirabile, M., Li, J. J. and Peterman, T. A. |
| | “349 homosexual or bisexual men with biopsy proven KS seen in a university hospital-based dermatology practice between 1981 and 1989 were tested for antibodies to HIV-1, and 343 were HIV-1 positive...Inhaled nitrite (poppers) use was reported by 5 [of the 6 who were HIV-1 negative].” |
| | Lancet 335: 168-169, 1990 | 1990 |
| Detection of Herpesvirus-like DNA Sequences in Kaposi's Sarcoma in Patients With and Those Without HIV Infection. |
| Moore PS, Chang Y. |
| | The study describes 4 HIV-free, male homosexual AIDS patients with Kaposi’s sarcoma |
| | N Engl J Med 1995; 332: 1181-1185. | 1995 |