@misc{indiciae1bb8bca2ccc6,
  title = {Studying human fertility.},
  author = {Michael Joffe and Jane Key and Nicky Best and Tina Kold Jensen},
  year = {2004},
  doi = {10.1289/ehp.112-1247503},
  url = {https://pubmed.ncbi.nlm.nih.gov/15289174/},
  note = {Source identifier: 15289174}
}