@misc{indiciaeb547d408f057,
  title = {Teaching clinical judgment in periodontics.},
  author = {R S Mackenzie and P J Heins and R B Chaffee and S B Low},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/267635/},
  note = {Source identifier: 267635}
}