Antiserum against the conserved nine amino acid N-terminal peptide of influenza A virus matrix protein 2 is not immunoprotective., De Filette, Marina, Ysenbaert Tine, Roose Kenny, Schotsaert Michael, Roels S., Goossens Els, Schepens Bert, Fiers Walter, and Saelens Xavier , J Gen Virol, 2011 Feb, Volume 92, Issue Pt 2, p.301-6, (2011)