Campbell, P. J., Danzy, S., Kyriakis, C. S., Deymier, M. J., Lowen, A. C., & Steel, J. (2014). The M Segment of the 2009 Pandemic Influenza Virus Confers Increased Neuraminidase Activity, Filamentous Morphology, and Efficient Contact Transmissibility to A/Puerto Rico/8/1934-Based Reassortant Viruses. American Society for Microbiology.

Campbell, Patricia J., Shamika Danzy, Constantinos S. Kyriakis, Martin J. Deymier, Anice C. Lowen, và John Steel. The M Segment of the 2009 Pandemic Influenza Virus Confers Increased Neuraminidase Activity, Filamentous Morphology, and Efficient Contact Transmissibility to A/Puerto Rico/8/1934-Based Reassortant Viruses. American Society for Microbiology, 2014.

Campbell, Patricia J., et al. The M Segment of the 2009 Pandemic Influenza Virus Confers Increased Neuraminidase Activity, Filamentous Morphology, and Efficient Contact Transmissibility to A/Puerto Rico/8/1934-Based Reassortant Viruses. American Society for Microbiology, 2014.