@misc{indiciae5ae2326fd560,
  title = {Long-term periodontal maintenance.},
  author = {R A Sugarman and M M Sugarman and E F Sugarman},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1497841/},
  note = {Source identifier: 1497841}
}