@misc{indiciaeea71bce9117b,
  title = {Research and standards.},
  author = {W M HAMMON},
  year = {1952},
  doi = {10.2105/ajph.42.5\_pt\_2.64},
  url = {https://pubmed.ncbi.nlm.nih.gov/14923979/},
  note = {Source identifier: 14923979}
}