During the clinical trial stages of the treatment levitra, 레비트라 구매 it was shown that a single dose could last up to a maximum of 8 hours.
However, 레비트라 구매 it is important to remember that this does not mean that levitra will work for 레비트라 비아그라 차이 this length of time in everyone as the time it takes to break down various from person to person.