And the question is, why should this test, inactive versus active, work any better?

MSN: Health insurers seek to soften their image

The HPV test can detect an active infection with one of the high-risk strains of the virus.

NPR: Detecting High-Risk HPV in Older Women

Vaspar vehemently refused to name the active ingredients or disclose even one toxicity test that it has passed.

FORBES: The science of BPA

Sri Lanka may now be a test case, but there are plenty of other such active conflicts in Asia-Pacific and worldwide.

FORBES: Magazine Article

For years before her arrest, Mrs Parks had been active with local civil rights groups, which were looking for a test case to fight the city's segregation laws.

BBC: NEWS | Americas | US civil rights icon Parks dies