@misc{indiciae28e331aca874,
  title = {Anencephaly and twinning.},
  author = {G Fontaine and P Vankemmel},
  year = {1978},
  doi = {10.1002/tera.1420180217},
  url = {https://pubmed.ncbi.nlm.nih.gov/715731/},
  note = {Source identifier: 715731}
}