APA

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. (20091125). Internet-based monitoring of influenza-like illness in the general population: experience of five influenza seasons in The Netherlands. : Vaccine.

Chicago

Friesema I H M, Koppeschaar C E, Donker G A, Dijkstra F, van Noort S P, Smallenburg R, van der Hoek W and van der Sande M A B. 20091125. Internet-based monitoring of influenza-like illness in the general population: experience of five influenza seasons in The Netherlands. : Vaccine.

Harvard

Friesema I. H. M., Koppeschaar C. E., Donker G. A., Dijkstra F., van Noort S. P., Smallenburg R., van der Hoek W. and van der Sande M. A. B. (20091125). Internet-based monitoring of influenza-like illness in the general population: experience of five influenza seasons in The Netherlands. : Vaccine.

MLA

Friesema I H M, Koppeschaar C E, Donker G A, Dijkstra F, van Noort S P, Smallenburg R, van der Hoek W and van der Sande M A B. Internet-based monitoring of influenza-like illness in the general population: experience of five influenza seasons in The Netherlands. : Vaccine. 20091125.