@misc{indiciae8701265a98da,
  title = {Variations affecting death rate.},
  author = {R E Eckardt},
  year = {1968},
  doi = {10.1080/00039896.1968.10665332},
  url = {https://pubmed.ncbi.nlm.nih.gov/5687280/},
  note = {Source identifier: 5687280}
}