@misc{indiciae4bc4aa286335,
  title = {Cervical factors in infertility.},
  author = {M Lemert and L Mastroianni},
  year = {1974},
  doi = {10.1097/00003081-197412000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/4615862/},
  note = {Source identifier: 4615862}
}