@misc{indiciaec385794868ba,
  title = {HBsAg in commercial control materials.},
  author = {R E Wenk and S Yoho},
  year = {1977},
  doi = {10.1093/ajcp/67.2.197},
  url = {https://pubmed.ncbi.nlm.nih.gov/836627/},
  note = {Source identifier: 836627}
}