@article{:/content/10.2807/ese.18.09.20411-en, author = "Eurosurveillance editorial team", title = "WHO recommendations on the composition of the 2013/14 influenza virus vaccines in the northern hemisphere", journal = "Eurosurveillance", year = "2013", volume = "18", number = "9", eid = 20411, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/ese.18.09.20411-en", doi = "https://doi.org/10.2807/ese.18.09.20411-en" }