Donnon, Tyrone, Murray Lee, and Sarah Cairncross. “Using Item Analysis to Assess Objectively the Quality of the Calgary-Cambridge OSCE Checklist”. Canadian Medical Education Journal 2, no. 1 (June 3, 2011): e16-e22. Accessed September 19, 2021. https://journalhosting.ucalgary.ca/index.php/cmej/article/view/36556.