시알리스에 대한 간단한 키 공개
Probably Viagra’s closest cousin, Levitra can take a sound hour to kick in and lasts nearly four hours. It’s about as successful as sildenafil In relation to boosting your sail, though scientific tests have shown Levitra is more powerful plus more selective than sildenafil at inhibiting PDE-5, meaning the drug does a much better job of shifting