Later trials sometimes confirm early results-and sometimes come up with conflicting results.

In June 2011, a large clinical trial confirmed the positive findings from those earlier trials.

The trial confirmed that a mafia-type criminal organization existed which was headed by the cupola.

The resulting trials confirmed the reliability and dependability of the weapon.

The trial has confirmed that bio-synthetic kerosene can slightly reduce fuel consumption.

If the new trials confirm its usefulness, it could help save some of the 500,000 Americans who die of heart problems outside a hospital each year.

Their trial confirmed the principle that the laws of war apply equally to civilians and military personnel.

The trial, which involved some 5,000 commuters, generated 1.7 million transactions and has confirmed that the system is ready for revenue service.

Their trial confirmed the danger, and the drug was pulled from the market.

"This investigation and trial have confirmed our country's faith in its justice system," he said in a written statement.