@misc{indiciae4a91a487c3e8,
  title = {Creighton Model NaProEducation Technology for avoiding pregnancy. Use effectiveness.},
  author = {T W Hilgers and J B Stanford},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9653695/},
  note = {Source identifier: 9653695}
}