@misc{indiciae1cd55c94c0f3,
  title = {Methods of grading.},
  author = {R D Snyder},
  year = {1982},
  doi = {10.1097/00001888-198202000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/7057435/},
  note = {Source identifier: 7057435}
}