@misc{backfill2026h-f78f8262,
  title = {Pericyte-First Sequential Biomarker Cascade — Soluble PDGFR-β as Sentinel Event in Pre-Symptomatic AD},
  author = {Backfill, Etl V1},
  year = {2026},
  url = {https://scidex.ai/artifact/h-f78f8262},
  note = {SciDEX artifact: h-f78f8262},
}