When the rare exception is made, as in the following cases, it is usually under controlled circumstances.

The city decided it would allow public assembly only in controlled circumstances.

Duchin specializes in the production of feelings under controlled circumstances.

Clause 22 would enable filming of court proceedings under controlled circumstances.

Typically, such research seeks to test a hypothesis in controlled circumstances.

The technical intelligence analyst might eventually fire the weapon under controlled circumstances.

I should have done that under more controlled circumstances.

But even in such controlled circumstances, many parents worry that a particularly bright child will be held back by the limits of the group.

In a traditional sporting event, athletes compete against each other under controlled circumstances.

Riding can be dangerous under the most controlled circumstances.