"So it appears that we are also confronted by superior screening devices."

The 145 men and 14 women who participated in the study wore small electronic screening devices to bed one night.

The fence delineated the property line, but at four feet tall, it fell short as a screening device.

The translator is essentially acting as a screening device.

Because of the danger involved, Clussig had developed his screening devices.

"Just go over there and present it to the screening device," he said indifferently.

There are a number of standardized screening devices that also may be employed.

The test, in effect, serves as a screening device.

The test has been used as a screening device for brain damage.

The patient would sleep with the screening device for one to several days, then return the device to the physician.