WHICH OF THE FOLLOWING IS NOT MENTIONED BY THE AUTHOR AS ONE OF THEADVANTAGES OF LASER SURGERY TECHNIQUES

Câu 42 (VD):

Which of the following is NOT mentioned by the author as one of the

advantages of laser surgery techniques?

A.

They can be performed in a physician's office.

B.

They are safer than conventional surgery.

C.

They can often be performed without anesthesia.

D.

They are relatively easy to teach to physicians.

Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs

correction ỉn each of the following questions.