There is no one, simple test to show if someone has Alzheimer's disease.

VOA: special.2009.09.15

There is no single laboratory test to tell if someone has lupus.

VOA: special.2009.04.14

"What we showed is that for students who are highly test-anxious, who'd done our writing intervention, all of a sudden there was no relationship between test anxiety and performance.

VOA: special.2011.01.20

There is no single test to tell if someone has lupus.

VOA: special.2010.06.15

Countries are no longer required to test and report individual cases.

VOA: special.2009.11.11

For weeks, South Korean officials delayed expected announcements it would join, but experts say they had no other choice after Monday's underground nuclear weapons test by the North.

VOA: standard.2009.05.26

U.S.officials say no part of the three-stage rocket reached orbit and the launching was a thinly-disguised test of a long-range ballistic missile that was banned under a 2006 U.N.resolution.

VOA: standard.2009.04.15

A urine test that detects nicotine means no job is offered.

VOA: standard.2010.02.18