@misc{indiciae40d3f69beaa1,
  title = {Defining and classifying periodontitis: need for a paradigm shift?},
  author = {Vibeke Baelum and Rodrigo Lopez},
  year = {2003},
  doi = {10.1034/j.1600-0722.2003.00014.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12558801/},
  note = {Source identifier: 12558801}
}