@misc{indiciae2a24cea7b851,
  title = {Hepatitis B vaccines: present status.},
  author = {S Krugman and V J McAuliffe and R H Purcell},
  year = {1981},
  doi = {10.1055/s-2008-1063932},
  url = {https://pubmed.ncbi.nlm.nih.gov/7051295/},
  note = {Source identifier: 7051295}
}