@misc{indiciae7f2c90937768,
  title = {A STUDY IN FERTILITY CONTROL.},
  author = {B BERELSON and R FREEDMAN},
  year = {1964},
  doi = {10.1038/scientificamerican0564-29},
  url = {https://pubmed.ncbi.nlm.nih.gov/14154100/},
  note = {Source identifier: 14154100}
}