@article{:/content/10.2807/esw.10.03.02620-en, author = "De Mateo, S and Larrauri, A and Martin, C and Grupo de Vigilancia de la Gripe en España, Collective", title = "Increased influenza activity in Spain from mid-December 2004", journal = "Weekly releases (1997–2007)", year = "2005", volume = "10", number = "3", eid = 2620, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.10.03.02620-en", doi = "https://doi.org/10.2807/esw.10.03.02620-en" }