SackettDLRosenbergWMCGrayJAM, et al. Evidence-based medicine: What it is and what it isn't. BMJ1996; 312:71–2.
2.
Centre for Evidence-Based Medicine. Levels of evidence and grades of recommendations, last revised November1999. Available at:URL http://cebm.jr2.ox.ac.uk/docs/.
3.
RosenfeldRMThe 7 habits of highly effective data users. Otolaryngol Head Neck Surg1998; 118:144–58.
4.
OslerW.On the educational value of the medical society. In: Aequanimitas with other addresses. Philadelphia: P Blakiston's Son & Co; 1904. p. 348.
5.
GladwellM.The tipping point: how little things can make a big difference. Boston: Little, Brown and Company; 2000.
6.
BrodyH.The placebo response: how you can release the body's inner pharmacy for better health. New York: Cliff Street Books; 2000.
7.
HannleyMTProgress report 2000. Alexandria: American Academy of Otolaryngology-Head and Neck Surgery and Foundation; 2000.