@misc{indiciaec28e3d1ed8bb,
  title = {The mid-trimester low lying placenta: a prospective study.},
  author = {R N Tremewan and M Chandra and G B Duff},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6933349/},
  note = {Source identifier: 6933349}
}