@misc{indiciae6997f8aa0625,
  title = {Life expectancy and mortality data from the Soviet Union.},
  author = {M Ryan},
  year = {1988},
  doi = {10.1136/bmj.296.6635.1513},
  url = {https://pubmed.ncbi.nlm.nih.gov/3134093/},
  note = {Source identifier: 3134093}
}