1. Systematic reviews;Chalmers,1995
2. Progress in evidence-based medicine: a quarter century on;Djulbegovic;Lancet,2017
3. Evidence based medicine: what it is and what it isn't;Sackett;BMJ,1996
4. Defining comparative effectiveness research: the importance of getting it right;Sox;Med Care,2010
5. Higgins J, Green S, (editors). Cochrane handbook for systematic reviews of interventions version 5.1.0 [updated March 2011]. The Cochrane Collaboration, 2011. Available at www.handbook.cochrane.org.