Figures and Tables

From the following article:

Tadalafil and vardenafil

Katherine Neumeyer & Peter Kirkpatrick

Nature Reviews Drug Discovery 3, 295-296 (April 2004)

doi:10.1038/nrd1362

Figure 1 - Tadalafil and vardenafil

Figure 1

PDE5 inhibition.

Figure 2 - Tadalafil and vardenafil

Figure 2

Market for drugs to treat erectile dysfunction in US $ million.