- Validation of the VITEK2 and the Advance Expert System with a collection of Enterobacteriaceae harboring extended spectrum or inhibitor resistant beta-lactamases. Cantón, R., Pérez-Vázquez, M., Oliver, A., Coque, T.M., Loza, E., Ponz, F., Baquero, F. Diagn. Microbiol. Infect. Dis. (2001)