TY  - RPRT
TI  - Disease emergence in birds: Challenges for the twenty-first century
AU  - Milton Friend
AU  - R. G. McLean
AU  - F. J. Dein
PY  - 2001
DO  - 10.1093/auk/118.2.290
UR  - https://pubs.usgs.gov/publication/1003747
ID  - 1003747
ER  -