1. Restoring a Normal Sexual Response: The Ultimate Goal of Erectile Dysfunction Therapy 
Hartmut Porst 
European Urology Supplements 
Volume 1, Issue 8, Pages (November 2002)
DOI: /S (02)

2. Fig. 1
Effects of the intrinsic factors age (A) and diabetes (B), and the extrinsic factors food intake and time of dosing (C) on tadalafil pharmacokinetics. Data from [19].
European Urology Supplements 2002 1, 19-24DOI: ( /S (02) )

3. Fig. 2
Tadalafil 10mg increased the cumulative time of ≥55% penile rigidity (A) and the percentage of patients achieving erection (B) compared with placebo 24hours after dosing in a RigiScan® study. Data from [20].
European Urology Supplements 2002 1, 19-24DOI: ( /S (02) )

4. Fig. 3
Intercourse success rates with tadalafil 20mg as a function of time (postdosing interval). Based on percentages of affirmative responses to Sexual Encounter Profile question 3: “Did your erection last long enough for you to complete intercourse with ejaculation? (yes/no)”. Data from [21].
European Urology Supplements 2002 1, 19-24DOI: ( /S (02) )