@misc{indiciae7f9a2b38053a,
  title = {Maternal thyroid disease and twinning.},
  author = {F V De George},
  year = {1970},
  doi = {10.1038/228681a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4248818/},
  note = {Source identifier: 4248818}
}