TY - RPRT TI - Hepatic element concentrations of lesser scaup (Aythya affinis) during spring migration in the upper Midwest AU - Angela E. Pillatzki AU - Regg D. Neiger AU - Steven R. Chipps AU - Kenneth F. Higgins AU - Nancy Thiex AU - Alan D. Afton PY - 2010 DO - 10.1007/s00244-010-9587-1 UR - https://pubs.usgs.gov/publication/70173879 ID - 70173879 ER -