GU052253   Influenza A virus (A/mallard/Astrakhan/263/1982(H14N5)) matrix protein 2 (M2) and matrix protein 1 (M1) genes, complete cds.   [Influenza A virus (A/mallard/Astrakhan/263/1982(H14N5)) A/mallard/Gurjev/263/1982 | 352564.20]