@misc{indiciaeec126357fa1b,
  title = {Hepatitis B vaccination implementation strategies.},
  author = {E Hedrick},
  year = {1989},
  doi = {10.1016/0196-6553(89)90215-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2742204/},
  note = {Source identifier: 2742204}
}