@misc{indiciaed1a7b8451642, title = {Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowl}, author = {Gary Heinz and W. Nelson Beyer and David J. Hoffman and Daniel J. Audet}, year = {2010}, doi = {10.1002/etc.174}, url = {https://pubs.usgs.gov/publication/70003389}, note = {Source identifier: 70003389} }