@misc{indiciae82fb2639aeea,
  title = {Methods used to self-predict ovulation. A comparative study.},
  author = {R J Fehring},
  doi = {10.1111/j.1552-6909.1990.tb01642.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2358920/},
  note = {Source identifier: 2358920}
}