1. Evidence based medicine: what it is and what it isn't;Sackett;BMJ,1996
2. Evidence-based medicine: how to practice and teach EBM;Sackett,2000
3. Glover J, Izzo D, Odata K, Wang L. EBM Pyramid and EBM Page Generator© Trustees of Dartmouth College and Yale University; 2006. Available at: http://www.dartmouth.edu/∼biomed/resources.htmld/guides/ebm_resources.shtml. Accessed February 18, 2013.
4. Evidence-based medicine: revisiting the pyramid of priorities;Rosner;J Bodyw Mov Ther,2012
5. Proceedings of Prosthodontics 21. A national symposium on prosthodontics;Laney;J Prosthet Dent,1990