Zhanel, G. G., Karlowsky, J. A., Harding, G. K. M., Carrie, A., Mazzulli, T., Low, D. E., & Hoban, D. J. (2000). A Canadian National Surveillance Study of Urinary Tract Isolates from Outpatients: Comparison of the Activities of Trimethoprim-Sulfamethoxazole, Ampicillin, Mecillinam, Nitrofurantoin, and Ciprofloxacin. American Society for Microbiology.

Zhanel, George G., James A. Karlowsky, Godfrey K. M. Harding, Anita Carrie, Tony Mazzulli, Donald E. Low, and Daryl J. Hoban. A Canadian National Surveillance Study of Urinary Tract Isolates From Outpatients: Comparison of the Activities of Trimethoprim-Sulfamethoxazole, Ampicillin, Mecillinam, Nitrofurantoin, and Ciprofloxacin. American Society for Microbiology, 2000.

Zhanel, George G., et al. A Canadian National Surveillance Study of Urinary Tract Isolates From Outpatients: Comparison of the Activities of Trimethoprim-Sulfamethoxazole, Ampicillin, Mecillinam, Nitrofurantoin, and Ciprofloxacin. American Society for Microbiology, 2000.