TY  - RPRT
TI  - Reproduction of mallards following overwinter exposure to selenium
AU  - G. H. Heinz
AU  - M. A. Fitzgerald
PY  - 1993
DO  - 10.1016/0269-7491(93)90075-y
UR  - https://pubs.usgs.gov/publication/5222776
ID  - 5222776
ER  -