@misc{indiciaec6f2eb616888,
  title = {Gestational interval from vital records.},
  author = {L M Hammes and A E Treloar},
  year = {1970},
  doi = {10.2105/ajph.60.8.1496},
  url = {https://pubmed.ncbi.nlm.nih.gov/5465461/},
  note = {Source identifier: 5465461}
}