Petersen, Henning NS Segment of a 1918 Influenza A Virus-Descendent Enhances Replication of H1N1pdm09 and Virus-Induced Cellular Immune Response in Mammalian and Avian Systems. [electronic resource] - Frontiers in microbiology 2018 - 526 p. digital Publication Type: Journal Article ISSN: 1664-302X Standard No.: 10.3389/fmicb.2018.00526 doi