TY  - RPRT
TI  - Impaired reproduction of mallards fed an organic form of selenium
AU  - Gary H. Heinz
AU  - David J. Hoffman
AU  - Lyn G. Gold
PY  - 1989
DO  - 10.2307/3801145
UR  - https://pubs.usgs.gov/publication/5222242
ID  - 5222242
ER  -