Structural characterisation of hemagglutinin from seven Influenza A H1N1 strains reveal diversity in the C05 antibody recognition site oleh Seyed Mohammad Ghafoori, Gayle F. Petersen, Deborah G. Conrady, Brandy M. Calhoun, Matthew Z. Z. Stigliano, Ruth O. Baydo, Rena Grice, Jan Abendroth, Donald D. Lorimer, Thomas E. Edwards, Jade K. Forwood