Canadian Association of General Surgeons, the American College of Surgeons, the Canadian Society of Colorectal Surgeons and the American Society of Colorectal Surgeons evidence based reviews in surgery - colorectal surgery.
Brasel KJ, Birnbaum EH, Datta I. Canadian Association of General Surgeons, the American College of Surgeons, the Canadian Society of Colorectal Surgeons and the American Society of Colorectal Surgeons evidence based reviews in surgery - colorectal surgery. Dis Colon Rectum. 2014 Sep; 57(9):1149-51.