More than eight hundred children were ages two to four the first time they were tested.

VOA: special.2009.10.21

The American College of Rheumatology says fibromyalgia may affect two to four percent of the population.

VOA: special.2011.07.26

Cows need about two to four weeks to learn to use the robotic milking systems.

VOA: special.2009.05.12

Planting beans every two to four weeks until early August will provide a continuous harvest.

VOA: special.2009.03.24

It found that almost four percent of deaths around the world in two thousand four were linked to drinking alcohol.

VOA: special.2009.09.08

The thirty-four room house opened to the public in February of two thousand eight after fifteen million dollars in work.

VOA: special.2010.05.10

Now,airlines will have to check the no-fly list within two hours of being told of additions, instead of twenty-four hours.

VOA: special.2010.05.08

Since two thousand five, the F.C.C.has used four policy principles to guide its enforcement in cases related to the Internet.

VOA: special.2009.09.25

For example,a two thousand four study showed that the number of school nurses nationally failed to meet federal guidelines.

VOA: special.2009.08.06

He says the advice there is to have at least two thousand four hundred dollars for twelve months in the United States.

VOA: special.2009.05.21

The study found that worldwide, more than two and a half million people age ten to twenty-four died in two thousand four.

VOA: special.2009.09.28

The records show that he was forced to kill at least four men and possibly two others.

VOA: special.2010.03.17

Tornadoes usually travel in a northeasterly direction with a speed of thirty-two to sixty-four kilometers an hour.

VOA: special.2010.05.11

He says the Leiopathes corals were shown to be about four thousand two hundred sixty-five years old.

VOA: special.2009.05.12