@misc{indiciae63de29cd60ef,
  title = {Rhesus and ABO incompatibility.},
  author = {B G Macnamara},
  year = {1969},
  doi = {10.1136/bmj.1.5647.844},
  url = {https://pubmed.ncbi.nlm.nih.gov/4975331/},
  note = {Source identifier: 4975331}
}