@misc{indiciae21938f5f2534,
  title = {ALS and heavy metals: a pilot case-control study.},
  author = {R A Roelofs-Iverson and D W Mulder and L R Elveback and L T Kurland and C A Molgaard},
  year = {1984},
  doi = {10.1212/wnl.34.3.393},
  url = {https://pubmed.ncbi.nlm.nih.gov/6538286/},
  note = {Source identifier: 6538286}
}