@misc{indiciaecc13d2c6bfe0,
  title = {[Estetrol values in high risk pregnancies].},
  author = {K Vetter and P J Keller and J Kunz},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/485321/},
  note = {Source identifier: 485321}
}