@misc{indiciae812ff1835e1d,
  title = {Anencephalus and spina bifida.},
  author = {R G Cross},
  year = {1968},
  doi = {10.1136/bmj.3.5612.253-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4874170/},
  note = {Source identifier: 4874170}
}