@misc{indiciaef9af5188f145,
  title = {Fertility control agents as a possible solution to the world population problem.},
  author = {M M Ketchel},
  year = {1968},
  doi = {10.1353/pbm.1968.0013},
  url = {https://pubmed.ncbi.nlm.nih.gov/5673784/},
  note = {Source identifier: 5673784}
}