Comparison of the activity of imipenem and beta-lactams combined with sulbactam and clavulanic acid in beta-lactamase-producing strains of Bacteroides fragilis

1. Martin, M.A.
2. Castillo, A.M.
3. Liebana, J.
4. Marin, A.
5. Alados, J.C.
6. Piedrola, G.