@misc{indiciae59eebdd83ecb,
  title = {[Echographic study in early pregnancy. II. Amnion cavity parameter].},
  author = {J Parache and R Bañares and J A Saavedra and L Prieto},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/602512/},
  note = {Source identifier: 602512}
}