@misc{indiciae5cb1f6404e14,
  title = {[Postscript to the "Study on manual toothbrushing and its interpretation"].},
  author = {L Spengler and H J Spengler and L G Lidberg},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/285530/},
  note = {Source identifier: 285530}
}