@misc{indiciae2a86af576ac2,
  title = {Case study: conjoined twins and anencephaly.},
  author = {R A Williamson and R T Soper and J A Widness and R F Weir},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2131055/},
  note = {Source identifier: 2131055}
}