Single amino acid replacements at positions altered in naturally occurring extended-spectrum TEM beta-lactamases

• J. Blazquez, M. I. Morosini, M. C. Negri, M. Gonzalez-Leiza, F. Baquero

• Antimicrobial Agents and Chemotherapy, January 1995, ASM Journals
• DOI: 10.1128/aac.39.1.145