@misc{indiciae4d0d83b9670d,
  title = {[Gingivitis prophylaxis in school children by supervised toothbrushing].},
  author = {A Ostgren and J Lindhe},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5263651/},
  note = {Source identifier: 5263651}
}