American experts expressed doubts about the benefits of the tests.

Given these other needs, many experts have expressed concern about unnecessary spending in health care.

But other experts expressed deep skepticism about her proposal, saying further studies are needed.

Political experts expressed surprise at the strong financial results, especially since the economy has been weak.

But some other experts on the region expressed less optimism.

Now, however, some experts in nuclear weapons design are expressing concern over whether this program is up to the task.

Some experts expressed concern about the increase in pleasure craft on the river.

The experts expressed fears that the consequences could be worse here.

Since medical costs are expected to increase, experts have expressed serious concerns over the future funding of the program.

But other experts, including some with long experience in the shuttle program, expressed strong doubts.