Contribution of ROB-1 and PBP3 mutations to the resistance phenotype of a β-lactamase-positive amoxicillin/clavulanic acid-resistant Haemophilus influenzae carrying plasmid pB1000... by San Millan, A, Giufré, M, Escudero, J, Hidalgo, L, Gutierrez, B, Cerquetti, M, Gonzalez-Zorn, B