TY  - RPRT
TI  - Avoidance of selenium-treated food by mallards
AU  - G. H. Heinz
AU  - C. J. Sanderson
PY  - 1990
DO  - 10.1002/etc.5620090906
UR  - https://pubs.usgs.gov/publication/5222416
ID  - 5222416
ER  -