The studies were approved by the ethics committee, and all volunteers gave written informed consent.

We will need volunteers to give it to the enemy.

Then the volunteers will give blood and urine samples four times in the following three days.

In 2010 volunteers gave 11,445 hours of service, a time commitment with an estimated value of over $140,000.

The other volunteers grinned and nodded, giving him a hearty thumbs-up.

A total of 83 subjects were studied; 18 healthy volunteers given 10 or 20 mg iv.

Fifteen healthy volunteers (nine men, six women, mean age 28 years, range 22-38) gave written informed consent to participate.

As the crowd walked out, my volunteers gave them copies of the speech.

It is estimated that 5,000 or more volunteers give their time to run activities and open doors for members of the public.

He volunteers to give a captain a lift to his unit on the front.