@misc{indiciaeb8350213d7da,
  title = {Rhesus sensitization and abortion.},
  author = {C A Clarke and P M Sheppard},
  year = {1969},
  doi = {10.1136/bmj.4.5685.743},
  url = {https://pubmed.ncbi.nlm.nih.gov/4982190/},
  note = {Source identifier: 4982190}
}