Ferri, V beta-Lactamase inhibiting properties of 6-oxopenicillanic and 7-oxo-cephalosporanic acid derivatives. [electronic resource] - Farmaco (Societa chimica italiana : 1989) Jan 1991 - 191-207 p. digital Publication Type: Journal Article ISSN: 0014-827X Subjects--Topical Terms: Anti-Bacterial Agents--chemical synthesisBacillus cereus--drug effectsCephalosporins--chemical synthesisEnterobacter--drug effectsMicrobial Sensitivity TestsPenicillanic Acid--chemical synthesisbeta-Lactamase Inhibitors