Half the specimens had been logged without a known cause for the inflammation.

There was no known cause and nobody imagined he would ever recover.

Despite genetic tests and the expert opinions of doctors, we discovered no known cause for this condition.

And there's no known cause or cure.

It has no known cause, but may be triggered by infections.

The couple had no known criminal history and 'had not been doing anything strange', according to police.

He had no known criminal record and was armed with a .45 caliber semi-automatic handgun.

Fingerprints found in the vehicle are said to have been identified as those of a known criminal.

It said that, following the police investigation, it learnt that the thief was a known criminal who targets leisure clubs.

The other 13 had no known criminal connections.

I'd do this, however, only after careful consideration of all known factors.

Reduction of the resting metabolic rate as a result of dieting, a known factor in the failure of dieting, was the least in the very low carbohydrate diet.

The two known factors that must be present in order to create rock glaciers are low ice velocity and permafrost.

New factors may arise at any time that influence shopping behavior, the influence of the known factors or their interactions may change.

There are a few known factors that contribute to the sustaining of muscle tissue.

A nazirite was a member of a sect who practiced asceticism, and the word has no known link to the name of the town.

But insiders claimed he had no known links to the terror outfit.

He had no known links with terror groups.

None had any known links to political parties or paramilitaries.

Then and now, no known causes exist, and there are no known links between the condition and any substance.

This was a known offender whose crimes were covered up.

She said it has a team of officers dedicated to visiting known offenders daily.

Some fuel companies simply store the details in case the motorist drives off without paying, while others are able to cross-reference the registrations against their own databases of known offenders.

Laws with extraterritorial application are intended to fill the gap when countries are unwilling or unable to take action against known offenders.

The post proposed that, since institutional procedures seemed to have been ineffective at removing or punishing harassers, philosophers socially shun known offenders.

Known risk factors for allergy can be divided into genetic and environmental factors, with heredity being by far the most important of the former.

There are no known risk factors with the condition and it isn't affected by lifestyle or diet.

Coronary heart events were recorded and the results were adjusted for known risk factors, such as age, smoking, education, physical activity and diet.

Other known risk factors are a family history; one close relative who has had the disease multiplies someone's chance of developing a melanoma from sixfold to eightfold.

Smoking, drinking and the human papilloma virus are known risk factors.

Only one known survivor emerged from the floating graveyard—an infant wrapped tightly in blankets aboard a lifeboat, surrounded by deceased passengers.

There are no known survivors.

They are the only known survivors from the block's top three floors.

He leaves no known survivors.

There were 51 known survivors from the town.

Why was a detailed implementation plan not in place to tackle the known threat of such a virus?

Foxes are a known threat to captive penguins.

How are these procedures intended to counter the known threat?

There are no known threats to this species in its relatively remote habitats.

The only known threats they face are from predators and very occasional poaching.

Human beings are the most powerful force in the known universe because we are made of stories.

They both presume you can break the laws of the known universe, and there's no evidence to suggest that.

That's more than there are stars in the known universe.

Oh, the perils of commuting in an age when personal space has expanded to include the known universe.

They are looking for evidence of the 'axis of evil' - a little-understood galactic-level force that's apparently causing galaxies to align their spins right across the known universe.

Using computer models of currents and wind direction, searchers then scoured a vast area to the northwest of the plane's last known location without luck.

In the end, the wreckage was found last month much closer to the plane's last known location following three failed expeditions at a cost of more than 25m.

If the unit stops transmitting upon impact, the historical transmissions will give the last known location of the aircraft, its speed, direction and altitude.

Animals use it to estimate their current location based on their movements from their last known location.