Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
On some modifications in the technique of abdominal surgery, limiting the use of the ligature en masse
On some modifications in the technique of abdominal surgery, limiting the use of the ligature en masse