@misc{indiciaeaf8f4e9576ba,
  title = {Twinning.},
  author = {Judith G Hall},
  year = {2003},
  doi = {10.1016/s0140-6736(03)14237-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/12957099/},
  note = {Source identifier: 12957099}
}