1. Science wars: the great courses;Goldman,2006
2. Teaching critical thinking: some lessons from cognitive science;Van Gelder;Coll Teaching,2005
3. The editor's corner: how I spent my summer vacation;Keim;J Clin Orthod,2007
4. Evidence- based medicine: what it is and what it isn't;Sackett;Br Med J,1996
5. Evidence-based dentistry;Richards;Br Dent J,1995