@misc{indiciae03510b5e3070,
  title = {A Physical Basis for Epidemiology.},
  author = {S Flexner and H L Amoss},
  year = {1921},
  doi = {10.1073/pnas.7.11.319},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576616/},
  note = {Source identifier: 16576616}
}