@misc{indiciaef98cb953feaf,
  title = {The placenta: sonographic-pathologic correlations.},
  author = {B A Spirt and L P Gordon and E H Kagan},
  year = {1982},
  doi = {10.1016/0037-198x(82)90078-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/7123274/},
  note = {Source identifier: 7123274}
}