@misc{indiciae9cf725edcab5,
  title = {Research and standards.},
  author = {T FRANCIS},
  year = {1951},
  doi = {10.2105/ajph.41.5\_pt\_2.63},
  url = {https://pubmed.ncbi.nlm.nih.gov/14829662/},
  note = {Source identifier: 14829662}
}