\ubc31\ubaa8\uadfc\uc758 \ud6a8\uacfc \uac04\ub2e8\ud558\uac8c \uc124\uba85Cialis is an erectile dysfunction drug. It works by blocking a 시알리스세일구매 chemical in the bloodstream that 시알리스세일구매 reverses an erection. This causes the arteries to open causing more blood flow.