関連ワード:
why do you have to fast before a ct scan why do you have to fast before a ct scan with contrast why do you have to fast for a ct scan why do you need to fast before a ct scan why do you have to fast for a ct scan with contrast why do i need to fast before a ct scan why do you fast for a ct scan do you have to fast for a ct scan of abdomen do you need to fast for a ct scan of chest do you have to fast before getting a ct scan
