The surgery can sometimes be complex, and may require more than one operation to correct.

VOA: special.2009.12.22

For Eleanor Creesy to learn the correct position of the ship each day, she had to be able to see the sun, the moon or stars.

VOA: special.2009.12.23

"But,there should be in practice, have some correct measures to do that.

VOA: standard.2010.07.06

His latest statement focused on the need to correct flaws in the aviation security system that allowed the would-be bomber to board the Detroit-bound flight in the first place.

VOA: standard.2009.12.29

Although he is focusing on specific cases of possible police misconduct, Nick Hardwick said there is a great need for a much larger debate to be held in the country regarding the correct balance between security and liberty.

VOA: standard.2009.04.21