@misc{indiciaea19b4094b8ac,
  title = {Conjoined twins: theoretical embryologic basis.},
  author = {R Spencer},
  year = {1992},
  doi = {10.1002/tera.1420450604},
  url = {https://pubmed.ncbi.nlm.nih.gov/1412053/},
  note = {Source identifier: 1412053}
}