WHO's checklist for surgery: don't confine it to the operating room.
D019091:Critical Pathways / Q000592:standards*; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control; D011300:Preoperative Care / Q000592:standards*; D013514:Surgical Procedures, Operative / Q000592:standards*; D014944:World Health Organization