@misc{indiciae9926cecdc8a0,
  title = {Early identical twin studies.},
  author = {C Torfs},
  year = {1991},
  doi = {10.2105/ajph.81.1.112},
  url = {https://pubmed.ncbi.nlm.nih.gov/1898430/},
  note = {Source identifier: 1898430}
}