1. Evidence-based medicine: what it is and what it isn't;Sackett;BMJ,1996
2. Of studies, summaries, synopses, and systems: the “4S” evolution of services for finding current best evidence;Haynes,2001
3. Of studies, summaries, synopses, and systems: the “5S” evolution of services for finding current best evidence;Haynes;ACP J Club,2006
4. Accessing preappraised evidence: fine-tuning the 5S model into a 6S model;DiCenso;Ann Intern Med,2009
5. Evolution of EBM: from synthesized evidence and varied guidance to synthesized guidance. Presented at International Society for Evidence-based Health Care (ISEHC) conference;;Alper