@misc{indiciae0f158e236b9a,
  title = {Collecting saliva samples by mail.},
  author = {J F Etter and T V Perneger and A Ronchi},
  year = {1998},
  doi = {10.1093/oxfordjournals.aje.a009426},
  url = {https://pubmed.ncbi.nlm.nih.gov/9457003/},
  note = {Source identifier: 9457003}
}