@misc{indiciae6923974690eb,
  title = {A method for collecting normal respiratory mucus.},
  author = {D F Proctor and E F Aharonson and M J Reasor and K R Bucklen},
  url = {https://pubmed.ncbi.nlm.nih.gov/4778957/},
  note = {Source identifier: 4778957}
}