@misc{indiciaecfa0cf4aa10d,
  title = {Hepatitis vaccines.},
  author = {C A Petruff and A Bedford and F D Gordon and S Chopra},
  doi = {10.1159/000171585},
  url = {https://pubmed.ncbi.nlm.nih.gov/9101127/},
  note = {Source identifier: 9101127}
}