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비아그라에 대한 자세한 참고 사항
Shake the bottle properly for at least ten seconds prior to Each individual use. Take away the cap by pushing it down and twisting it counter-clockwise. Push the plunger of your syringe, then insert the suggestion into the bottle though holding the bottle upright on a flat area. Slowly but surely pull back again the plunger right up until the neede