@misc{indiciaed57d5d95b69e,
  title = {Lessons from conjoined twins.},
  author = {G A Machin and G H Sperber},
  year = {1987},
  doi = {10.1002/ajmg.1320280113},
  url = {https://pubmed.ncbi.nlm.nih.gov/3674121/},
  note = {Source identifier: 3674121}
}