@misc{indiciae8e1a9c7798d4,
  title = {Effects of low dietary levels of methyl mercury on mallard reproduction},
  author = {G. Heinz},
  year = {1974},
  doi = {10.1007/bf01684947},
  url = {https://pubs.usgs.gov/publication/5222561},
  note = {Source identifier: 5222561}
}