@misc{indiciaef5245b135a4f,
  title = {Modern trends in immunization.},
  author = {P Schiff},
  year = {1973},
  doi = {10.5694/j.1326-5377.1973.tb110551.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4573119/},
  note = {Source identifier: 4573119}
}