@misc{indiciae7d316a14769c,
  title = {Progressive Immunization.},
  author = {E B Wilson and J Worcester},
  year = {1941},
  doi = {10.1073/pnas.27.2.129},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578000/},
  note = {Source identifier: 16578000}
}