@misc{indiciae2703c9425fb1,
  title = {Statistical data questioned in ALS.},
  author = {R Karis},
  year = {1977},
  doi = {10.1212/wnl.27.1.100-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/556813/},
  note = {Source identifier: 556813}
}