| 
        
          | Barr, Phillip.  1994.  Apoptosis and its
            role in human disease.  Bio Technology.  12:487-494. |  
        
          | Carpenter,C., Fischl, M., Hammer, S., Hirsch, M.,
            Jacobsen, D., Katzenstein, D., and J. Montaner.  1996. 
            Antiretroviral therapy for HIV infection in 196.  Internation
            AIDS Society-USA.  JAMA.  276:146-154. |  
          | Campbell, N.  1996.  Biology. 4th ed. 
            New York:  Benjamin/Cummings Company. |  
        
          | Cells Alive.  HIV Infection. April 2000.  www.cellsalive.com.htm. 
            Accessed 2000 APR 19.Campbell, N.  1996.  Biology. 4th ed. 
            New York:  Benjamin/Cummings Company. |  
        
          | Chan, D. and P. Kim.  1998.   HIV
            entry and its inhibition.  Cell.  93:681-684. |  
        
          | Felser, J, Klimkait, T., and J.
            Silver.  1989.  A syncytia assay for HIV-1 envelope
            protein and its use in studying HIV-1 mutations. 
            Virology.  170:566-570. |  
        
          | Finberg, R., Diamond, D., Mitchel, D., Rosenstein,
            Y., Gopalan, S., Norman, T., Schreiber, S., and S. Burakoff. 
            20 July 1990.  Prevention of HIV-1 infection and preservation
            of CD4 function by the binding of CPFs to gp120.  Clinical and
            Diagnostic Laboratory Immunology.  6:287-291. |  
        
          | Fitzgerald, L.  1998.  Exercise and the
            immune system.  Trends in Genetics.  2:1-12. |  
        
          | Gelderblom, H., Hausmann, E., Ozel M; Pauli, G., and
            M. Koch.  1987. Fine structure of HIV and immunolocalization of
            stuctural proteins.  Virology.  156:171-176. |  
        
          | Gessani, S., Paola, B., Fantuzzi, L., Varano, B.,
            Conti, L., Puddu, P., and F. Belardelli.  July 1997. 
            Induction of cytokines by HIV-1 and its gp120 protein in human
            peripheral blood monocyte/macrophages and modulation of cytokine
            response during differentiation.  Journal of Leukocyte
            Biology.  62:49-53. |  
          | Janeway CA, Travers P, Walport M, Capra JD.
            Immunobiology: the Immune System in Health and Disease. 4th ed. 
            London:  Current Biology Publication; 1999. p 163-193. |  
          | MediaMD.com.  HIV.  2000.  http://www.cmsp.com/datav1/cg010001.htm. 
            Accessed 2000 APR 18. |  
          | Miller, S., Tse, H., rosenspire, A., and S.
            King.  1992.  CD4-independent inhibition of lymphocyte
            proliferation mediated by HIV-1 envelope glycoproteins. 
            Virology.  191:973-977. |  
          | Parren, P., Gauduin, M., Koup, R., Poignaard, P.,
            Sattentau, Q., Fisicaro, P., and D. Burton.  1997. 
            Erratum to "Relevance of the antibody response against human
            immunodeficiency virus type 1 envelope to vaccine
            design."  Immunology Letters.  58:125-132. |  
          | Protein Data Bank. Structure Explorer-1QRA. 
            <www.rcsb.org/pdb/>. 
            Accessed 2000 Mar 1. |  
          | Schwartz, S. and M. Nair.  1999.  Current
            concepts in human immunodeficiency virus infection and AIDS. 
            Clinical and Diagnostic Laboratory Immunology.  6(3):295-305. |  
          | Stine, G.  1999.  AIDS Update.  Upper
            Saddle River, New Jersey:  Prentice Hall. |  |