… Population registers belong to routine demographic … In more specialized surveillance systems we find the statistics of … In the late 2005 and early 2006, an unexpected fall by about 25% …
CITATION STYLE
Reintjes, R., & Krickeberg, K. (2009). Epidemiologic Surveillance (pp. 143–157). https://doi.org/10.1007/978-0-387-93835-6_8
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