@misc{indiciaef1ec3869abab,
  title = {Problems in contraception.},
  author = {M B Lipsett and J W Combs and K Catt and D G Seigel},
  year = {1971},
  doi = {10.7326/0003-4819-74-2-251},
  url = {https://pubmed.ncbi.nlm.nih.gov/4322736/},
  note = {Source identifier: 4322736}
}