HQ336725   Influenza A virus (A/duck/Nanjing/20/2010(H1N3)) segment 7 matrix protein 2 (M2) gene, partial cds; and matrix protein 1 (M1) gene, complete cds.   [Influenza A virus (A/duck/Nanjing/20/2010(H1N3)) | 904609.4]