2Hartz A, Lucas J, Cramm T, et al. Physician surveys to assess customary care in medical malpractice cases[J]. Journal of General In- ternal Medicine, 2002,17:546-555.
3Shojania KG,Wald H,Gross R.Understanding medicalerror and improving patient safety in the inpatient setting[J].The Medical Clinics of North America,2002,86(4):847-867.