1. Teaching and measuring surgical techniques: the technical evaluation of competence;Spencer;Bulletin of the American College of Surgery,1978
2. Principles of preoperative and operative surgery;Neumayer,2008
3. Surgical treatment of equine colic—a retrospective study of 297 surgeries in Norway 2005-2011;Wormstrand;Acta Vet Scand,2014
4. Ward versus intensive care management of high-risk surgical patients;Curran;Br J Surg,1998
5. How and why do we measure surgical risk?;Chand;J R Soc Med,2007