1. The expanding spectrum of betalactum antibiotics;Allan,1986
2. The relation between structure and activity of new antimicrobial agents;Moellering,1991
3. New mechanisms of bacterial resistance to antimicrobial agents;Jacoby;N Engl J Med,1991
4. New directions for macrolide antibiotics: structural modifications and in vitro activity;Kirst;Antimicrob Agents Chemother,1989
5. New directions for macrolide antibiotics: pharmacokinetics and clinical efficacy;Kirst;Antimicrob Agents Chemother,1989