TY  - RPRT
TI  - Cholinesterase activity in black-crowned night-herons exposed to fenthion-treated water
AU  - Gregory J. Smith
AU  - James W. Spann
AU  - Elwood F. Hill
PY  - 1986
DO  - 10.1007/bf01055252
UR  - https://pubs.usgs.gov/publication/5222096
ID  - 5222096
ER  -