Derivation Web

source_7c1e2732b6af4b6a

# Source literature boundary memo

## Research question

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

## Selection criteria

The source-literature fallback selected cellular_reprogramming because the domain snapshot exposed enough source-backed, topic-over…