@misc{indiciae8d2e2c812628,
  title = {Testing reliability of plaque and gingival indices. Two methods.},
  author = {N K Nordstrom and E L Paikoff and J Uldricks and C Solt and J Burch and F M Beck},
  year = {1988},
  doi = {10.1902/jop.1988.59.4.270},
  url = {https://pubmed.ncbi.nlm.nih.gov/3164378/},
  note = {Source identifier: 3164378}
}