|Co-factors||Recreational drugs||Nitrites||AIDS symptoms|
|Effect of the Recreational Agent Isobutyl Nitrite on Human Blood Leukocytes and on in Vitro Interferon Production.|| ||Hersh EM et al.
| ||“We speculate that these immunosuppressive effects [measured in cell cultures], combined with the ability of nitrites to convert amines to [carcinogenic] nitrosamines, may be related to the development of opportunistic infections and Kaposi’s sarcoma in homosexuals who use this agent”|
| ||Cancer Res. 1983 Mar;43:1365-71.||1983|
|Risk factor analysis among men referred for possible acquired immune deficiency syndrome.|| ||Newell GR, Mansell PWA, Wilson MB, Lynch HK, Spitz MR, Hersh EM.
| ||31 homosexual AIDS patients compared to 29 AIDS-free controls to determine AIDS risk factors : multiple "street drugs" were used as sexual stimulants and the "lifetime use of nitrites" were 94% to 100% consistent risk factors for AIDS.|
| ||Preventive Med 1985; 14: 81-91.||1985|
|National case-control study of Kaposi’s sarcoma and Pneumocystis carinii pneumonia in homosexual men: Part 1, Epidemiologic results, 1983|| ||Jaffe, H. W., Choi, K., Thomas, P. A., Haverkos, H. W., Auerbach, D. M., Guinan, M. E., Rogers, M. F., Spira, T. J., Darrow, W. W., Kramer, M. A., Friedman, S. M., Monroe, J. M., Friedman-Kien, A. E., Laubenstein, L. J., Marmor, M., Safai, B., Dritz, S. K
| ||50 homosexual AIDS patients compared to 120 AIDS-free controls to determine AIDS risk factors : multiple "street drugs" were used as sexual stimulants and the "lifetime use of nitrites" were 94% to 100% consistent risk factors for AIDS.|
| ||Ann. Intern. Med. 99: 145-151, 1983||1983|