World Health Organization (WHO) · Journal articles
Public health measures taken at international borders during early stages of pandemic influenza A (H1N1) 2009 : preliminary results : Background = Mesures de santé publique appliquées aux frontières au début de la pandémie de grippe A (H1N1) 2009 : résultats préliminaires : Généralités
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Organisation
World Health Organization (WHO)
Document type
Journal articles
Source
World Health Organization