Online monitoring of flu in Belgium.
Devroey D, Semaille P, Vansintejan J, Vandevoorde J, Van De Vijver E.
Devroey D, et al.
Influenza Other Respir Viruses. 2011 Sep;5(5):351-6. doi: 10.1111/j.1750-2659.2011.00239.x. Epub 2011 Mar 7.
Influenza Other Respir Viruses. 2011.
PMID: 21668686
Free PMC article.