More sophisticated tests are being performed and the results should become available later this week, he said.

He says he will order more sophisticated tests, if necessary, to satisfy state officials.

There are probably more sophisticated tests to answer your question, but these two observations certainly would be suggestive.

He says more sophisticated tests give too much information.

The researchers used sophisticated tests to measure the performance of various running shoes.

Often sophisticated tests are needed to map out the retina and determine areas with a loss of vision.

Isn't this kid a bit young to be running sophisticated diagnostic tests?

"I sent people to have sophisticated tests all the time in Indiana."

Others will receive second-class care without many of the sophisticated tests and procedures.

Even the most sophisticated tests by leading laboratories in four countries have failed to find a cause, the officials said.