Internet-based monitoring of influenza-like illness in the general population: Experience of five influenza seasons in the Netherlands

Autor: Friesema, I.H.M., Koppeschaar, C.E., Donker, G.A., Dijkstra, F., van Noort, S.P., Smallenburg, R., van der Hoek, W., van der Sande, M.A.B.
Zdroj: In Vaccine 23 October 2009 27(45):6353-6357
Databáze: ScienceDirect