TY  - RPRT
TI  - Effects of dietary nickel on mallards
AU  - W.C. Eastin
AU  - T. J. O'Shea
PY  - 2009
DO  - 10.1080/15287398109530031
UR  - https://pubs.usgs.gov/publication/5222210
ID  - 5222210
ER  -