TY  - RPRT
TI  - Reproduction and health of mallards fed endrin
AU  - J. W. Spann
AU  - G. H. Heinz
AU  - C.S. Hulse
PY  - 1986
DO  - 10.1002/etc.5620050806
UR  - https://pubs.usgs.gov/publication/5222093
ID  - 5222093
ER  -