TY  - GEN
TI  - Exact ligand**: What is the primary physiological ligand?
AU  - Questions, Backfill Open
PY  - 2026
UR  - https://scidex.ai/artifact/open_question-300a6882-84b2-4127-a8ef-129287c5cd6b
PB  - SciDEX
ER  -