11.   Surgery was performed in cases of persistent high grade dysplasia, or carcinoma.

12.   Although officials at Northside Hospital, where the surgeries were performed, refuse to discuss the matter, doctors and ethicists say the hospital should investigate the matter itself.

13.   Also, no one is sure yet whether surgery can be performed in space, or even how to conduct routine exams.

14.   Although the surgeries were performed at Northside Hospital, there is no sign that any investigation is under way in Georgia.

15.   Although the recovery period for such injuries is about eight weeks, Dr. Kevin Scheid, who performed the surgery, said Boat could drive sooner.

16.   An enzyme secreted by the bacteria manages to perform molecular surgery on sucrose, building a microscopic scaffold on teeth that allows even more bacteria to congregate.

17.   And how much of the foreskin is removed during circumcision depends on the doctor performing the surgery.

18.   And none of these docs is performing major surgery this week.

19.   And you may never need to spend hours on hold with technical support or have an installer perform surgery on your home computer to get you up and running.

20.   And, finally, they performed cosmetic surgery, ridding Quoyle of his disfiguring chin.