@misc{indiciae6745b553714e,
  title = {[Instruction program: caries and periodontal prophylaxis].},
  author = {T Kerschbaum and E Stapf},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1076581/},
  note = {Source identifier: 1076581}
}