The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

In 1987 it threatened to cut the flow off, and in 1990 it did so, for a month, to allow the lake behind its giant Ataturk Dam to fill up.

ECONOMIST: A new and bitter brew in the Middle East | The

"We cannot cut off the flow of foreign workers abruptly but we have to slow the growth, " he said.

BBC: Singapore budget focuses on foreign workers

Would Iran cut off the flow of oil out of the Middle East?

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