@misc{indiciae24cb800a3ca6,
  title = {Migrating placenta previa.},
  author = {J S Powers and J M Hill},
  year = {1976},
  doi = {10.1097/00007611-197611000-00033},
  url = {https://pubmed.ncbi.nlm.nih.gov/1019654/},
  note = {Source identifier: 1019654}
}