Derivation Web

source_2e9d811084584417

# Source literature boundary memo

## Research question

Across retrieved fact-level receipts for fisetin, which endpoints show directionally favorable versus null/non-convergent signals, and what matched PICO remains untested?

## Selection criteria

The source-literature fallback selected fisetin because the domain snapshot exposed enough fact-backed, topic-overlapping papers. The fallback requi…