@misc{indiciaeeed18ee06067,
  title = {Great Lakes ALS Study Group.},
  author = {Eric Sorenson},
  year = {2004},
  doi = {10.1080/1743447041002049},
  url = {https://pubmed.ncbi.nlm.nih.gov/15512894/},
  note = {Source identifier: 15512894}
}