@misc{indiciaeb3e2902c7c3a,
  title = {Does anyone know how to differentiate a 'functional' defect from a cosmetic one?},
  author = {R L Anderson and J B Holds},
  year = {1990},
  doi = {10.1001/archopht.1990.01070140039024},
  url = {https://pubmed.ncbi.nlm.nih.gov/2256836/},
  note = {Source identifier: 2256836}
}