@misc{indiciae7fe9054917f5,
  title = {Hepatitis A virus immunisation.},
  author = {S Iwarson},
  doi = {10.1016/0140-6736(90)93375-y},
  url = {https://pubmed.ncbi.nlm.nih.gov/1979410/},
  note = {Source identifier: 1979410}
}