“operative technique”簡單造句，operative technique造句子

Objective: To study the operative technique for extended middle fossa extradural transpetrosal approach to petroclival region and to provide correspondingly anatomical basis.

The causes of atlantoaxial dislocation, operative techniques involved and results are discussed.

Objective: To investigate the operative technique of laparoscopic cholecystectomy for porcelaneous gallbladder.

The operative technique of laparoscopic cholecystectomy for frozen triangle