P865 A new metallo-β-lactamase gene (blaIMP-22) harboured in class 1 integron from Pseudomonas fluorescens - Pellegrini, C.; Celenza, G.; Mercuri, P.; Galleni, M.; Segatore, B.; Amicosante, G.; Perilli, M. (International Journal of Antimicrobial Agents, 2007)