@misc{indiciae61f48acbf2b4,
  title = {Research and standards.},
  author = {W M HAMMON},
  year = {1953},
  doi = {10.2105/ajph.43.5\_pt\_2.69},
  url = {https://pubmed.ncbi.nlm.nih.gov/13040577/},
  note = {Source identifier: 13040577}
}