@misc{indiciae9070ee3b5266,
  title = {Major malformations and multiple births.},
  author = {D B Pitt},
  year = {1963},
  doi = {10.1111/j.1479-828x.1963.tb00212.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13943848/},
  note = {Source identifier: 13943848}
}