However, radiation therapy showed an advantage in preventing cancer's return.

The war prevented his return to Russia until 1917.

He knew a lack of money was all that prevented their return to the east.

What should I do this spring to prevent its return?

To prevent their return, he usually caps the chimney top with a screen.

The political conditions prevented his return to public politics.

How can I remove the mold and prevent its return?

He intended to continue, but health problems prevented his return.

The six months Tom spent in hospital prevented his return to college.

She will do anything to prevent her return, no matter who the next king is, though it breaks her father's heart.