@misc{indiciaee3c22838426c,
  title = {The professional epidemiologist.},
  author = {W H Parry},
  year = {1969},
  doi = {10.1016/s0140-6736(69)91221-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4178446/},
  note = {Source identifier: 4178446}
}