@misc{indiciae573556fe105c,
  title = {Letter: Transfer factor in treating hepatitis B (cont.).},
  author = {S T Shulman and J H Hutto and E M Ayoub and J E McGuigan},
  year = {1976},
  doi = {10.1056/nejm197610142951615},
  url = {https://pubmed.ncbi.nlm.nih.gov/785261/},
  note = {Source identifier: 785261}
}