TY  - RPRT
TI  - Interaction between duck hepatitis virus and DDT in ducks
AU  - W.L. Ragland
AU  - Milton Friend
AU  - D.O. Trainer
AU  - N.E. Sladek
PY  - 1971
UR  - https://pubs.usgs.gov/publication/70194894
ID  - 70194894
ER  -