@misc{indiciae42d66359c4e6,
  title = {Disproportion in the falling birth rate.},
  author = {R R Gordon},
  year = {1977},
  doi = {10.1136/bmj.2.6092.939},
  url = {https://pubmed.ncbi.nlm.nih.gov/912376/},
  note = {Source identifier: 912376}
}