In fact, the researchers just did not believe it at first.

Some researchers believe that this is exactly what they are.

Now, some researchers believe that women may have another edge.

Both researchers believe their systems can be used with other bacteria.

The researchers believe the solution may appear on the market in 2011.

In time, what many researchers believed was impossible came to seem possible.

Researchers believe genetics may play a role in who does.

This, researchers believe, is due to the drug's direct action on the heart.

Weight gain, a side effect of some drugs, may play a significant role, researchers believe.

From the 1920s to 1940s researchers believed the media had a powerful effect on its audience.