Medical historians say the death of Clara Maass also created a public protest over the use of humans in yellow fever research.

VOA: special.2010.05.18

It believed some of the nations involved would use the Boxer Rebellion as a way to gain more control over Chinese territory.

VOA: special.2010.07.29

Doctors use it to control moderate to severe pain over a long period.

VOA: special.2009.02.10

Millions of people all over the world use the word OK.

VOA: special.2010.02.28

"It's telling us the regime might be trying to use any good will over the elections as a smokescreen."

VOA: standard.2010.07.27

"Jack's challenge over the next few years is to use his extraordinary skill and experience to cut down that deficit and put our nation back on a fiscally responsible path.

VOA: standard.2010.07.13

And rural agri-businesses can mean a pathway out of poverty, There has been much controversy and opposition over the use of genetically modified crops as a means of boosting productivity.

VOA: standard.2010.03.29

"It is really pollution from our own use of space. Over the last 50 years we have been a bit careless, just as we have been careless with our oceans and rivers over centuries and polluted them.

VOA: standard.2010.07.24

While the Internet's use of language might change rapidly over the next few years, Johnson,Crystal and Jansen all point out that educators need to ensure that students maintain an academic understanding of the use and rules of language.

VOA: standard.2010.01.16