@misc{indiciaeb006be48d693,
  title = {Endotoxin determinations in gingival inflammation.},
  author = {L Shapiro and F M Lodato and P R Courant and R E Stallard},
  year = {1972},
  doi = {10.1902/jop.1972.43.10.591},
  url = {https://pubmed.ncbi.nlm.nih.gov/4563005/},
  note = {Source identifier: 4563005}
}