시알리스에 대해 거의 알려지지 않은 사실
Possibly Viagra’s closest cousin, Levitra requires a good hour to kick in and lasts around 4 several hours. It’s about as effective as sildenafil With regards to boosting your sail, however studies have proven Levitra is much more powerful plus more selective than sildenafil at inhibiting PDE-five, this means the drug does a greater work of tra