Stevens, M. K., Latimer, J. L., Lumbley, S. R., Ward, C. K., Cope, L. D., Lagergard, T., & Hansen, E. J. (1999). Characterization of a Haemophilus ducreyi Mutant Deficient in Expression of Cytolethal Distending Toxin. American Society for Microbiology.

Stevens, Marla K., Jo L. Latimer, Sheryl R. Lumbley, Christine K. Ward, Leslie D. Cope, Teresa Lagergard, und Eric J. Hansen. Characterization of a Haemophilus Ducreyi Mutant Deficient in Expression of Cytolethal Distending Toxin. American Society for Microbiology, 1999.

Stevens, Marla K., et al. Characterization of a Haemophilus Ducreyi Mutant Deficient in Expression of Cytolethal Distending Toxin. American Society for Microbiology, 1999.