GU052250   Influenza A virus (A/blackhead gull/Astrakhan/44/1988(H13N6)) segment 3 polymerase PA (PA) gene, complete cds.   [Influenza A virus (A/black-headed gull/Astrakhan/44/1988(H13N6)) A/blackhead gull/Astrakhan/44/1988 | 538413.9]