The antivenom that cures the bite of one kind of snake may not be effective for another kind of snake.

VOA: special.2009.05.05

Some economists say this second round of what is known as quantitative easing, or "QE2," has not been effective.

VOA: special.2011.04.29

The country has not had an effective government for almost twenty years.

VOA: special.2009.04.25

But this increased attention does not mean anything without effective action.

VOA: special.2009.05.08

Grant was not an effective political leader.

VOA: special.2010.03.04

Republicans on the financial services committee, including Representative Scott Garrett, voiced concerns that greater regulation may not be effective.

VOA: standard.2009.03.26

"While they may not respond to antidepressants, the good news is that there are other,effective treatments that can be employed to help,".

VOA: standard.2010.01.08

"Now if that GM potato is effective and works then the environmental impact will be substantially less because the chemicals are not being used and there will be less fossil fuel use."

VOA: standard.2009.10.21

Dr.Lepora says she will probably return to MSF, because she says once she learned how to be effective in a crisis situation, she finds it very difficult not to act when another crisis comes up.

VOA: standard.2010.06.29

"What we assure is that the technologies that do come on the market are safe and effective, but whether or not they should be used on a given case,a given patient, is a decision that is made by the individual practitioner."

VOA: standard.2010.04.07