@misc{indiciae5540b9822eda,
  title = {Letter: Tests for HBAg.},
  author = {M Willcox},
  year = {1975},
  doi = {10.1016/s0140-6736(75)91614-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/47067/},
  note = {Source identifier: 47067}
}