@misc{indiciaee4efe904f38a,
  title = {Integral equation models for endemic infectious diseases.},
  author = {H W Hethcote and D W Tudor},
  year = {1980},
  doi = {10.1007/bf00276034},
  url = {https://pubmed.ncbi.nlm.nih.gov/7365328/},
  note = {Source identifier: 7365328}
}