@misc{indiciae6441a6ecbbc8,
  title = {Maternal Rh-immunization.},
  author = {D F Hopkins},
  year = {1969},
  doi = {10.1136/bmj.1.5647.843-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4975330/},
  note = {Source identifier: 4975330}
}