@misc{indiciaea6d05a0fedbd,
  title = {The normal fetomaternal immune relationship.},
  author = {W D Billington},
  year = {1992},
  doi = {10.1016/s0950-3552(05)80004-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/1446416/},
  note = {Source identifier: 1446416}
}