@misc{indiciae996b8da77bde,
  title = {Interaction between duck hepatitis virus and DDT in ducks},
  author = {W.L. Ragland and Milton Friend and D.O. Trainer and N.E. Sladek},
  year = {1971},
  url = {https://pubs.usgs.gov/publication/70194894},
  note = {Source identifier: 70194894}
}