Pletz, M. W. R., McGee, L., Jorgensen, J., Beall, B., Facklam, R. R., Whitney, C. G., & Klugman, K. P. (2004). Levofloxacin-Resistant Invasive Streptococcus pneumoniae in the United States: Evidence for Clonal Spread and the Impact of Conjugate Pneumococcal Vaccine. American Society for Microbiology.

Pletz, Mathias W. R., Lesley McGee, James Jorgensen, Bernard Beall, Richard R. Facklam, Cynthia G. Whitney, and Keith P. Klugman. Levofloxacin-Resistant Invasive Streptococcus Pneumoniae in the United States: Evidence for Clonal Spread and the Impact of Conjugate Pneumococcal Vaccine. American Society for Microbiology, 2004.

Pletz, Mathias W. R., et al. Levofloxacin-Resistant Invasive Streptococcus Pneumoniae in the United States: Evidence for Clonal Spread and the Impact of Conjugate Pneumococcal Vaccine. American Society for Microbiology, 2004.