????? ??? ??? ?? ???? ??? ‘??? ????’? ?? ??? ??.

▽?? ???? ①????? ??? ??? ?? ?? ?? ?? ‘???’ ??? ???. ??? ??? ‘?1? ??’? ???.

②??? ??? ??? ??? ?? ???? ????? ????? ????.

③????? ‘?????? ????’?? ??? ??? ????? ???.

④? ??? ‘???? ???????(cGMP)’?? ??? ?????? cGMP? ???? ??? ?? ???. ? ??? ?? ??? ???? ???? ???? ?? ??.

▽??????〓???? ????? ????? ‘PDE5’?? ??? cGMP? ??? ??? ???. ????? ??? ????? PDE5? ??? ??? ????? cGMP? ??? ? ???? ??. ???? ?? ? ????? 30?～4??? ???.

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