@misc{indiciaec2f3412cb693,
  title = {Vena caval filter placement during pregnancy.},
  author = {A B Barnes and D J Kanarek and A J Greenfield and D C Brewster},
  year = {1981},
  doi = {10.1016/0002-9378(81)90209-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7258245/},
  note = {Source identifier: 7258245}
}