@misc{indiciae37c389f20509,
  title = {Letter: Sequential fetus-fetus interaction and C.N.S. defects.},
  author = {M V Durkin and E G Kaveggia and E Pendleton and J M Opitz},
  year = {1976},
  doi = {10.1016/s0140-6736(76)92997-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/59102/},
  note = {Source identifier: 59102}
}