@misc{indiciaefdccc3665964,
  title = {Amyotrophic lateral sclerosis severity scale.},
  author = {A D Hillel and R M Miller and K Yorkston and E McDonald and F H Norris and N Konikow},
  year = {1989},
  doi = {10.1159/000110176},
  url = {https://pubmed.ncbi.nlm.nih.gov/2725806/},
  note = {Source identifier: 2725806}
}