1Sackett D, Rosenberg W, Muir Gray JA, et al. Evidence-based medicine: What it is and what it isn′t, BMJ, 1996,312:71-72.
2Greenhaugh T. How to read a paper: the basics of evidence based medicine. London: BMJ Publishing Group. 1997. 1-8.
3Hunt DL, Jaeschke R, Mckibbon KA. for the Evidence-Based Medicine Working Group. Users′ guides to the medical literature, XXI: using electronic health information resources in evidence-based practice. JAMA, 2000,283:1875-1879.
