1. Antimicrobial drug development – the past, the present, and the future
J.H. Powers 
Clinical Microbiology and Infection 
Volume 10, Pages (January 2004)
DOI: /j x
Copyright © 2004 European Society of Clinical Infectious Diseases Terms and Conditions

2. Fig. 1 Drug approvals by class: systemic antibacterials.
Clinical Microbiology and Infection  , 23-31DOI: ( /j x)
Copyright © 2004 European Society of Clinical Infectious Diseases Terms and Conditions

3. Fig. 2
Ten year trend in drug and biological new molecular entity (NME) submissions to FDA.
(from Reference 5)
Clinical Microbiology and Infection  , 23-31DOI: ( /j x)
Copyright © 2004 European Society of Clinical Infectious Diseases Terms and Conditions

4. Fig. 3 Ten-year trend in biomedical research spending. (from Ref. 5)
Clinical Microbiology and Infection  , 23-31DOI: ( /j x)
Copyright © 2004 European Society of Clinical Infectious Diseases Terms and Conditions

5. Fig. 4 Drug approvals by class: systemic antivirals.
Clinical Microbiology and Infection  , 23-31DOI: ( /j x)
Copyright © 2004 European Society of Clinical Infectious Diseases Terms and Conditions