내 비아그라를 작동시키기
Probably Viagra’s closest cousin, Levitra can take a solid hour to kick in and lasts up to 4 hours. It’s about as efficient as sildenafil In terms of increasing your sail, while experiments have shown Levitra is more potent and even more selective than sildenafil at inhibiting PDE-5, which means the drug does a greater occupation of shifting bl