@misc{indiciae3c4c6581215f,
  title = {Cervical mucus determinations.},
  author = {J A Collins and R F Casper and W Wrixon},
  year = {1985},
  doi = {10.1016/s0015-0282(16)48755-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4018285/},
  note = {Source identifier: 4018285}
}