1[1]Sackett DL,Straus SE,Richardson WS,et al.Evidence-based medicine:How to practise and teach EBM[M].Second Edition.Churchill Livingstone:Edinburgh,2000.
2[2]Doig,GS;Simpson,F.Ffficient literature searching:a core skill for the practice of evidence-based medicine[J].Intensive Care Med.2003 Dec; 29(12):2119-2127.
3[3]McColl A; Smith H; White P; Field.General practitioners perceptions of the route to evidence based medicine:a questionnaire survey[J].BMJ 1998 Jan 31; 316(7128):361-365.
4[4]Young JM; Ward JE.Evidenee-based medicine in general pracrice:beliefs and barriers amongst Australian GPs[J].J Eval Clin Pract 2001 May; 7(2):201-210.
4Haynes Rb,Wilczynski N,Mc Kibbon KA,et al.Developing optimal search strategies for detecting clinically sound studies in MEDLINE[].Journal of the American Medical Informatics Association.1994
