@misc{indiciae116ca5a9bf41,
  title = {Letter: ABO blood types in congenital heart-disease.},
  author = {V Siskind and O P Heinonen and S Shapiro and D Slone},
  year = {1975},
  doi = {10.1016/s0140-6736(75)92154-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/53397/},
  note = {Source identifier: 53397}
}