A Randomized, Open-Label, Crossover, Multicenter, Single Dose Comparator Study Evaluating Onset Of Penile Rigidity In Men With Erectile Dysfunction Who Are Treated With Sildenafil And Tadalafil
Conditions
Interventions
- DRUG: tadalafil
- DRUG: sildenafil
Sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.