@misc{indiciaec36c1f783029,
  title = {The service guide.},
  author = {W G Hollister},
  year = {1970},
  doi = {10.2105/ajph.60.3.428},
  url = {https://pubmed.ncbi.nlm.nih.gov/5461518/},
  note = {Source identifier: 5461518}
}