@misc{indiciae9e401dad8ec8,
  title = {[Placental localizations by B echography].},
  author = {J Lefebvre and A Bonnin and A Dupont},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4640529/},
  note = {Source identifier: 4640529}
}