Efficient Generation of Recombinant Influenza A Viruses Employing a New Approach to Overcome the Genetic Instability of HA Segments Mostafa, Ahmed ; Kanrai, Pumaree ; Petersen, Henning ; Ibrahim, Sherif ; Rautenschlein, Silke ; Pleschka, Stephan Abstract Publication: PLoS ONE Pub Date: January 2015 DOI: 10.1371/journal.pone.0116917 Bibcode: 2015PLoSO..1016917M