He says each new version of one bill is weaker and less effective than the one before it.

VOA: special.2010.04.21

It is also more effective and less costly than the drugs traditionally used.

VOA: special.2010.01.04

Vaccination is a life or death question for poor people and if you can vaccinate a child to prevent a disease from happening it is a lot more cost effective than it is to treat that disease afterwards."

VOA: special.2010.03.29

President Obama says he is scrapping the Bush administration's proposal, and replacing it with a plan that is more flexible and effective.

VOA: standard.2009.09.17

"It is impossible to maintain a safe and effective health-care system under conditions of siege that have been in place now since June 2007."

VOA: standard.2010.06.01

It is the first step toward an effective agreement on climate change,"

VOA: standard.2009.11.27

The White House says it is preparing for the worst. Experts say the most effective solution involves drilling relief wells to reroute oil, a process that could take months.

VOA: standard.2010.05.31

Campbell says it is in the interest of the United States and Mexico to prevent criminal gangs from gaining effective control of Juarez or any other parts of Mexico.

VOA: standard.2009.12.18

My guess is that it's going to be very effective,".

VOA: standard.2010.01.12

"I think the counter-insurgency plan is the right way to go. And the way to make it effective, I believe,is to have a much larger, much quicker Afghan army, and a much better-equipped Afghan Army,".

VOA: standard.2009.10.25

"There are a number of drugs that have been tested in these individuals and Avandia is one of them, and actually,it is quite effective in improving the blood sugar, in normalizing the blood sugar or delaying the occurrence of diabetes in these individuals."

VOA: standard.2010.03.02