Lactam

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Comparative activity of newer antibiotics against gram-negative bacilli
Cynthia C. Knapp, MS and John A. Washington, MD

Cleveland Clinic Journal of Medicine March 1989, 56 (2) 161-166;
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In vitro comparison of activity of Cefixime with activities of other orally administered antimicrobial agents
Cynthia C. Knapp, MS and John A. Washington, MD

Cleveland Clinic Journal of Medicine September 1988, 55 (5) 477-482;