@misc{indiciaea9fba80bb176,
  title = {A fluorescent plaque disclosing agent.},
  author = {N P Lang and E Ostergaard and H Löe},
  year = {1972},
  doi = {10.1111/j.1600-0765.1972.tb00632.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4272033/},
  note = {Source identifier: 4272033}
}