@misc{indiciae03ceaddc39a8,
  title = {Physiologic changes in pregnancy: surgical implications.},
  author = {C Martin and M W Varner},
  year = {1994},
  doi = {10.1097/00003081-199406000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/8033441/},
  note = {Source identifier: 8033441}
}