@misc{indiciae28a88d35c429,
  title = {What is primary hygiene?},
  author = {H Gammeter},
  year = {1988},
  doi = {10.1177/004947558801800312},
  url = {https://pubmed.ncbi.nlm.nih.gov/3406989/},
  note = {Source identifier: 3406989}
}