6Sackett DL,Straus SE,Richardson WS,et al.Evidence-based medicine:how to practice and teach EBM.2nd edition.London:Churchill Livingston,2000:1 ~ 5.
7Critchley JA,Zhang Y,Suthisisang CC,et al.Alternative therapies and medical science:designing clinical trials of Alternative/Complementary Medicines:is Evidence-Based Traditional Chinese Medicine attainable? J Clin Pharmacol 2000,40(5):462~467.