@misc{indiciae4acb5582a118,
  title = {Twin research. Introduction.},
  author = {Elizabeth Bryan and Ronald Higgins},
  year = {2002},
  doi = {10.1375/136905202320227754},
  url = {https://pubmed.ncbi.nlm.nih.gov/12184877/},
  note = {Source identifier: 12184877}
}