> Uncited provisional response: tool-based retrieval returned zero citable contexts in this session, so the response is a seed-anchored provisional synthesis rather than a fully cited review.
>
> PubMed URLs for manual verification are included for the seed PMIDs.


*Blockquote: This blockquote briefly records that no citable contexts were retrieved and that the resulting synthesis is provisional. It also notes that PubMed links are provided for manual verification of the seed sources.*