6Brohus H,Balling K D,Jeppesen D.Influence of movements on con-taminant transport in an operating room[J].Indoor Air,2006,16:356.
7Peter Zweife,Friedrich Breyer,Mathias Kifmann.Health Economics[M].New York:Oxford University Press,2009:16.
8Centers for Disease Control and Prevention.Epidemic Intelligence Service(EIS)[EB/OL] [2012-01-20].http://www.cdc.gov/eis/index.html.
9Eubank S.Scalable’efficient epidemiological simulation[C] //Pro-ceedings of the 2002 ACM Symposium on Applied Computing’2002:139-145.
10National Research Council.Defense Modeling’Simulation’andAnalysis:Meeting the Challenge[M/OL].Washington DC:NationalAcademy Press’2006.[2012-01-20].http://www.nap.edu/catalog/11726.heml.