FJ686784   Influenza A virus (A/mallard/Maryland/233/2001(H2N3)) segment 2 polymerase PB1 (PB1) and PB1-F2 protein (PB1-F2) genes, complete cds.   [Influenza A virus (A/mallard/Maryland/233/2001(H2N3)) | 593896.8]