비아그라의 기본 원리

비아그라의 기본 원리

Shake the bottle nicely for a minimum of 10 seconds prior to each use. Clear away the cap by pushing it down and twisting it counter-clockwise. Drive the plunger of the syringe, then insert the suggestion into the bottle when holding the bottle upright on the flat area. Slowly and gradually pull again the plunger until finally the necessary dose. I

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