@misc{indiciae6ed2e35ceef5,
  title = {Technical method. Bulk preparation of reagents for hepatitis b testing.},
  author = {A D Watt and M Robertson and R Hopkins},
  year = {1976},
  doi = {10.1136/jcp.29.4.364},
  url = {https://pubmed.ncbi.nlm.nih.gov/932228/},
  note = {Source identifier: 932228}
}