CMY-2-producing Salmonella enterica, Klebsiella pneumoniae, Klebsiella oxytoca, Proteus mirabilis and Escherichia coli strains isolated in Spain (October 1999-December 2000)

1. Navarro, F.
2. Perez-Trallero, E.
3. Marimon, J.M.
4. Aliaga, R.
5. Gomariz, M.
6. Mirelis, B.