But the trial involved only 36 women, with no controls.

A second trial involved 2,200 people ranging from 3 to 77 years of age.

Because the trial involved a class, she has not had to testify as an individual.

The clinical trials involved about 2,000 patients in 16 countries.

She liked the fact that the trial involved standard cancer drugs.

This is the first trial involving a killing by his own hand.

Such trials can take years and involve thousands of patients.

The trial must involve no more than a minor increase over minimal risk.

The first trial involved using the delete key to get rid of the data.

Several clinical trials involving patients with cancer have been published.