He said the operation could take between 48 hours and several weeks.
She is not certain how many more operations that will take.
The whole operation had taken no more than a few minutes.
These operations take place several times a day around the city, throughout the year.
The whole operation had taken on the nature of a race.
The whole operation should not take more than a week.
He was new on the Force when the operation took place.
He was not certain how long the operation would take.
The operation takes only a few minutes for each eye.
The operation on one eye takes about 10 to 15 minutes.
