"Today,about 85 percent of the burden of chronic diseases is concentrated in low and middle income countries,".

VOA: standard.2009.05.18

Using the new technology, victims' rights organizations in Guatemala hope to now examine entire cemeteries in areas where massacres were concentrated, Suasnavar says.

VOA: standard.2009.12.18

But within 16 kilometers of her home live tens of thousands of cows and hogs in what are called concentrated animal feeding operations, or CAFOs.

VOA: standard.2010.05.06

For now,the battle against hepatitis B is concentrated in communities with large Asian populations.

VOA: standard.2010.07.26

They are diffuse,dispersed,spread out instead of concentrated the way that fossil energy was.

VOA: standard.2010.04.21

He says the process of sorting through those areas, which include sites around the country,but concentrated in the mountainous northern areas, will be a long and difficult one, though it is work that needs to be done in the name of the victims' families.

VOA: standard.2009.12.18

"It could be taken up by crustaceans like shrimp crabs, things like that which are the base of the food chain and that could be passed up to fish and then mammals and the toxins could be concentrated and that could be harmful to animals that feed on these smaller organisms."

VOA: standard.2010.05.09