@misc{indiciae1f3bacbc6e6e,
  title = {[Routine echography in obstetrics?].},
  author = {A J Huisjes and A Van Enk},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2682290/},
  note = {Source identifier: 2682290}
}