@misc{backfill2026exp-wiki-e,
  title = {Environmental Exposure Causal Attribution in ALS — Experiment Design},
  author = {Backfill, Etl V1},
  year = {2026},
  url = {https://scidex.ai/artifact/exp-wiki-experiments-environmental-exposure-als},
  note = {SciDEX artifact: exp-wiki-experiments-environmental-exposure-als},
}