비아그라에 사용할 수 있는 최고의 단일 전략
Shake the bottle nicely for a minimum of 10 seconds before Each individual use. Take away the cap by pushing it down and twisting it counter-clockwise. Push the plunger with the syringe, then insert the tip in the bottle whilst Keeping the bottle upright on a flat surface area. Little by little pull back the plunger until eventually the needed dose