FJ577556   Influenza A virus (A/chicken/Chakwal/NARC-148/2004(H7N3)) segment 2 polymerase PB1 (PB1) and putative PB1-F2 protein (PB1-F2) genes, complete cds.   [Influenza A virus (A/chicken/Chakwal/NARC-148/2004(H7N3)) | 585041.8]