@misc{indiciae8bc21f0f1d9b,
  title = {Some unsolved problems with vaccines.},
  author = {N W Preston},
  year = {1979},
  doi = {10.1007/978-3-0348-7105-1\_1},
  url = {https://pubmed.ncbi.nlm.nih.gov/397525/},
  note = {Source identifier: 397525}
}