TY - RPRT TI - Avian influenza at both ends of a migratory flyway: characterizing viral genomic diversity to optimize surveillance plans for North America AU - John M. Pearce AU - Andrew M. Ramey AU - Paul L. Flint AU - Anson V. Koehler AU - Joseph P. Fleskes AU - J. Christian Franson AU - Jeffrey S. Hall AU - Dirk V. Derksen AU - S. Ip PY - 2009 DO - 10.1111/j.1752-4571.2009.00071.x UR - https://pubs.usgs.gov/publication/70003504 ID - 70003504 ER -