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http://journals.cambridge.org/action/displayAbstract?aid=939168
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Z. F. DEMBEK,
M. G. KORTEPETER
and J. A. PAVLIN
(2007).
Discernment between deliberate and natural infectious disease outbreaks. Epidemiology and Infection, 135
,
pp 353-371
doi:10.1017/S0950268806007011