Ruppé, E., Bidet, P., Verdet, C., Arlet, G., & Bingen, E. (2006). First Detection of the Ambler Class C 1 AmpC β-Lactamase in Citrobacter freundii by a New, Simple Double-Disk Synergy Test. American Society for Microbiology.

Ruppé, Etienne, Philippe Bidet, Charlotte Verdet, Guillaume Arlet, ja Edouard Bingen. First Detection of the Ambler Class C 1 AmpC β-Lactamase in Citrobacter Freundii By a New, Simple Double-Disk Synergy Test. American Society for Microbiology, 2006.

Ruppé, Etienne, et al. First Detection of the Ambler Class C 1 AmpC β-Lactamase in Citrobacter Freundii By a New, Simple Double-Disk Synergy Test. American Society for Microbiology, 2006.