@misc{indiciae3aa244846117,
  title = {Perinatal mortality by birth order.},
  author = {N Mantel},
  year = {1979},
  doi = {10.1136/bmj.2.6198.1147},
  url = {https://pubmed.ncbi.nlm.nih.gov/519346/},
  note = {Source identifier: 519346}
}