TY - RPRT TI - Prolonged retention of methyl mercury by mallard drakes AU - L.F. Stickel AU - W. H. Stickel AU - M. Anne Ross McLane AU - M. Bruns PY - 2013 DO - 10.1007/bf01683707 UR - https://pubs.usgs.gov/publication/5221389 ID - 5221389 ER -