Intranasal DNA vaccination induces potent mucosal and systemic immune responses and cross-protective immunity against influenza viruses., Torrieri-Dramard, Lea, Lambrecht Bénédicte, Ferreira Helena Lage, van den Berg Thierry, Klatzmann David, and Bellier Bertrand , Mol Ther, 2011 Mar, Volume 19, Issue 3, p.602-11, (2011)