TY  - RPRT
TI  - Recovery of cholinesterase activity in mallard ducklings administered organophosphorus pesticides
AU  - W. James Fleming
AU  - S.P. Bradbury
PY  - 2009
DO  - 10.1080/15287398109530123
UR  - https://pubs.usgs.gov/publication/5221703
ID  - 5221703
ER  -