Mateo-Ontañon, Salvador deLarrauri, AmparoMartin-Mesonero, Carmen2020-02-072020-02-072005-01-20Euro Surveill. 2005 Jan 20;10(1):E050120.2.9999-1233http://hdl.handle.net/20.500.12105/9044engVoRhttp://creativecommons.org/licenses/by/4.0/HumansInfluenza, HumanSeasonsSpainIncreased influenza activity in Spain from mid-December 2004Atribución 4.0 Internacional16556946101E050120.210.2807/esw.10.03.02620-en1560-7917Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletinopen access