@misc{indiciae1acf50407aeb,
  title = {The second twin.},
  author = {H H Ware},
  year = {1971},
  doi = {10.1016/0002-9378(71)90584-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/5562006/},
  note = {Source identifier: 5562006}
}