@misc{indiciae1cb4367d53e6,
  title = {Natal influences and twin differences.},
  author = {L D Van den Daele},
  year = {1974},
  doi = {10.1080/00221325.1974.10532701},
  url = {https://pubmed.ncbi.nlm.nih.gov/4855535/},
  note = {Source identifier: 4855535}
}