TY - RPRT TI - Cross-seasonal patterns of avian influenza virus in breeding and wintering migratory birds: a flyway perspective AU - Nichola J. Hill AU - John Y. Takekawa AU - Carol J. Cardona AU - Brandt W. Meixell AU - Joshua T. Ackerman AU - Jonathan A. Runstadler AU - Walter M. Boyce PY - 2012 DO - 10.1089/vbz.2010.0246 UR - https://pubs.usgs.gov/publication/70125278 ID - 70125278 ER -