Abundant Intra-Subtype Reassortment Revealed in H13N8 Influenza Viruses oleh Sofia Feoktistova, Marya Sayganova, Kseniya Trutneva, Olga Glazova, Artem S. Blagodatski, Liudmila Shevkova, Anna Navoikova, Yuriy Anisimov, Eugene Albert, Olga Mityaeva, Pavel Volchkov, Andrey Deviatkin