- | Pays :
- United Kingdom
- | Organes : -
- | Spécialités : -
Extrait
To determine if men prefer tadalafil or sildenafil for getting and keeping an erection after treatment with both drugs.
Critère d'inclusion
- Impotence
To determine if men prefer tadalafil or sildenafil for getting and keeping an erection after treatment with both drugs.