@misc{indiciae3e612e2b3355,
  title = {'Clean' vs. 'sterile'.},
  author = {A M Karch and F E Karch},
  year = {2001},
  doi = {10.1097/00000446-200104000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/11301679/},
  note = {Source identifier: 11301679}
}