TY - RPRT TI - Dispersal of H9N2 influenza A viruses between East Asia and North America by wild birds AU - Andrew M. Ramey AU - Andrew B. Reeves AU - Sarah A. Sonsthagen AU - Joshua L. Teslaa AU - Sean W. Nashold AU - Tyrone F. Donnelly AU - Bruce Casler AU - Jeffrey S. Hall PY - 2015 DO - 10.1016/j.virol.2015.03.028 UR - https://pubs.usgs.gov/publication/70147555 ID - 70147555 ER -