@misc{indiciaee815f7e2a05d,
  title = {What is a low-lying placenta?},
  author = {L W Oppenheimer and D Farine and J W Ritchie and R M Lewinsky and J Telford and L A Fairbanks},
  year = {1991},
  doi = {10.1016/0002-9378(91)90465-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/1951509/},
  note = {Source identifier: 1951509}
}