@misc{indiciaef8fb33762a4a,
  title = {Perinatal mortality rate in multiple pregnancies.},
  author = {S Metler and W Mierzejewski and J Rudzinski and St Metler},
  year = {1974},
  doi = {10.1017/s1120962300024239},
  url = {https://pubmed.ncbi.nlm.nih.gov/4440413/},
  note = {Source identifier: 4440413}
}