@misc{indiciaeafe6999c4fcd,
  title = {Sterility in American Marriages.},
  author = {A J Lotka},
  year = {1928},
  doi = {10.1073/pnas.14.1.99},
  url = {https://pubmed.ncbi.nlm.nih.gov/16587315/},
  note = {Source identifier: 16587315}
}