A 16-year-old boy was seriously wounded and underwent seven hours of head surgery.

She was rushed to a local military hospital to undergo six hours of surgery.

Students enrolled in the course undergo more than 30 hours of ground training prior to their first free fall jump.

In 1997, he underwent five hours of surgery on the arm.

"I was rushed to the hospital and underwent seven hours of surgery, but they couldn't save the eye."

The county plans to hire eight monitors, who will undergo 16 hours of training.

Now many departments require recruits to undergo 110 hours of training.

She underwent seven hours of surgery but still had no feeling from the waist down.

The day Noah was born, he underwent five hours of surgery.

Volunteers must undergo 20 hours of training before working at the Shelter.