@misc{indiciaeb52cff4fa045,
  title = {Ovulation prediction.},
  author = {E F Keefe},
  year = {1985},
  doi = {10.1016/s0015-0282(16)49054-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4076443/},
  note = {Source identifier: 4076443}
}