Though most stones pass through urine on their own - a process that can take three to six weeks - some will need intervention.

"You must be absolutely clear, with no side tracking about who needs intervention in this draft."

I'd much rather stay healthy, not need major surgical intervention of any kind.

Besides, they had discovered, he almost never needed medical intervention.

But the Indians were the ones who needed divine intervention.

Both need highly skilled intervention, although not of the same type.

The others will need "early intervention" to foster their physical, social or language development.

For the first time, she has a sense of needing intervention.

However, there is the question of whether we need regulatory intervention from Europe.

The tower is in bad state and needs immediate intervention for its conservation.