Peyerl, F. W., Bazick, H. S., Newberg, M. H., Barouch, D. H., Sodroski, J., & Letvin, N. L. (2004). Fitness Costs Limit Viral Escape from Cytotoxic T Lymphocytes at a Structurally Constrained Epitope. American Society for Microbiology.

Peyerl, Fred W., Heidi S. Bazick, Michael H. Newberg, Dan H. Barouch, Joseph Sodroski, et Norman L. Letvin. Fitness Costs Limit Viral Escape From Cytotoxic T Lymphocytes At a Structurally Constrained Epitope. American Society for Microbiology, 2004.

Peyerl, Fred W., et al. Fitness Costs Limit Viral Escape From Cytotoxic T Lymphocytes At a Structurally Constrained Epitope. American Society for Microbiology, 2004.