@misc{indiciaea756f59b2bc4,
  title = {The relationship between gingivitis and plaque levels.},
  author = {M M Breuer and R S Cosgrove},
  year = {1989},
  doi = {10.1902/jop.1989.60.4.172},
  url = {https://pubmed.ncbi.nlm.nih.gov/2724030/},
  note = {Source identifier: 2724030}
}