Zhanel, G. G., Karlowsky, J. A., Palatnick, L., Vercaigne, L., Low, D. E., & Hoban, D. J. (1999). Prevalence of Antimicrobial Resistance in Respiratory Tract Isolates of Streptococcus pneumoniae: Results of a Canadian National Surveillance Study. American Society for Microbiology.

Zhanel, George G., James A. Karlowsky, Lorraine Palatnick, Laverne Vercaigne, Donald E. Low, and Daryl J. Hoban. Prevalence of Antimicrobial Resistance in Respiratory Tract Isolates of Streptococcus Pneumoniae: Results of a Canadian National Surveillance Study. American Society for Microbiology, 1999.

Zhanel, George G., et al. Prevalence of Antimicrobial Resistance in Respiratory Tract Isolates of Streptococcus Pneumoniae: Results of a Canadian National Surveillance Study. American Society for Microbiology, 1999.