7Evidence Based Medicine Working Group. Evidence-Based Medicine. A new approach to reaching the practice of medicine [J]. JAMA, 1992,268 ( 17 ) :420
8Sackett DL, Straon SE, Richardson WS, et al. Evidence based medicine (second edition)[M ]. How to practice and teach EBM. Edinburgh: Churchill Livingstone, 2000.20 - 39
9Britain N. Evidence-based medicine. Br Med J, 1995,310(29) : 1085
10[3]SACKETT,DL,ROSENBERG,WMC,GRAYJA et al.Evidence based-Medicine:What it is and what it isn't.[J]BMJ.1996,312(7023):71-72.