1. Brown, B. Stimmell, R.N. Taub, S. Kochwa, and R.E. Rosenfield, R.E., Immunologic dysfunction in heroin addicts, Arch. Int. Med, 134: 1001 (1974).
2. R.M. Donahoe, J.J. Madden, F. Hollingworth, D. Shafer, and A. Falek, Morphine depression of T-cell E-rossetting: Definition of the process, Proc. Am. Soc. Exp. Biol., 44: 95 (1985).
3. R.J. McDonough, J.J. Madden, A. Falek, D.A. Shafer, M. Pline, D. Gordon., P. Bokos, J.C. Kuehnie, and J. Mendelson, Alteration of T and null lymphocyte frequencies in the peripheral blood of human opiate addicts: In vivo evidence for opiate receptor sites on T lymphocytes, J. Immunol., 125: 2539 (1980).
4. R.M. Donahoe, C. Buesos-Ramos, F. Donahoe, J.J. Madden, and A. Falek, Mechanistic implications of the finding that opiates and other drugs of abuse moderate T-cell surface receptors and antigenic markers, Ann. New York Acad. Sci., 496: 711 (1987).
5. H.U. Bryant, E.W. Bernton, and J.W. Holaday, Immunosuppressive effects of chronic morphine treatment in mice, Life Sci., 41: 1731 (1987).