7WHO.Patient safety:Rapid assessment methods for estimating hazards[EB/OL].[2003-04-13].http://www.who.int/patientsafety/activities/system/en/rapid_assessment_methods.pdf.
8Leape L L,Brennan T A.The nature of adverse events in hospitalized patients:Results of the harvard medical practice study Ⅱ[J].New England J Med,1991,324(6):377 -384.
9Institute of Medicine.To err is human:Building a safer health system[M].Washington,DC:National Academies Press,1999:1-4.
10Cooper J B,Gaba D M,Liang B,et al.The national patient safety foundation agenda for research and development in patient safety[EB/OL].[2006-07-08].http://www.npsf.org/download/researchagenda.pdf.