@misc{indiciae2d9efd634743,
  title = {[A. N. Sysin as an epidemiologist].},
  author = {K G Vasil'ev and K K Vasil'ev},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/390936/},
  note = {Source identifier: 390936}
}