... conception and design, pro-vision of study materials or patients, collection and assembly of data, data analysis and interpretation and manuscript writing. All authors read and approved the final manuscript.AcknowledgementsWe ... (cipro-floxacin), the newest fluoroquinolones (levofloxacin, gat-ifloxacin) have enhanced activity against gram-positivebacteria with only a minimal decrease in activity againstgram-negative bacteria ... of Tazobactam (β-lactamaseinhibitor) enhanced the activity of piperacillin against Aci-netobacter, Pseudomonas, Enterobacter, Klebsiella, and Escherichia coli. Similarly, the use of Clavulanate...