@misc{indiciae4bc86d3094b4,
  title = {A, B or O: what's the difference?},
  author = {E R Giblett and M C Crookston},
  year = {1973},
  doi = {10.1056/nejm197304262881711},
  url = {https://pubmed.ncbi.nlm.nih.gov/4120864/},
  note = {Source identifier: 4120864}
}