@misc{indiciaeba4b3d55a621,
  title = {Letter: Cervical mucus ferning.},
  author = {J F Correy and F C Schokman and E Cusick},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4419860/},
  note = {Source identifier: 4419860}
}