@misc{indiciae8198532eaf79,
  title = {Preventing hepatitis B.},
  author = {A W Woodruff},
  doi = {10.1016/0140-6736(91)92409-u},
  url = {https://pubmed.ncbi.nlm.nih.gov/1683987/},
  note = {Source identifier: 1683987}
}