@misc{backfill2026h-793f9f27,
  title = {Temporal Decoupling of CSF p-tau217 Normalization from Amyloid PET Negativity Creates a Dual Threshold Stopping Rule},
  author = {Backfill, Etl V1},
  year = {2026},
  url = {https://scidex.ai/artifact/h-793f9f273d},
  note = {SciDEX artifact: h-793f9f273d},
}