@misc{indiciae20256c31707b,
  title = {Australian antigen in reference sera.},
  author = {R Vranckx},
  year = {1973},
  doi = {10.1136/bmj.2.5862.368-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/4634168/},
  note = {Source identifier: 4634168}
}