> **Unable to retrieve citable sources in this session**
> No PubMed/Scholar evidence contexts were retrieved by the available research tools in this run, so a fully cited report on **PAX3 Waardenburg Spectrum** could not be generated.
>
> As a result, PMIDs, publication URLs, publication dates, abstract quotes, and evidence-backed statistics are unavailable in this session.
>
> Most important resources to query next:
> - **GeneReviews** — `Waardenburg syndrome PAX3 GeneReviews`
> - **OMIM** — `PAX3 Waardenburg syndrome type 1 OMIM`; `PAX3 Waardenburg syndrome type 3 OMIM`
> - **Orphanet** — `Orphanet Waardenburg syndrome type 1 PAX3`
> - **ClinVar / ClinGen / gnomAD** — `PAX3 Waardenburg syndrome ClinVar`; `ClinGen PAX3 Waardenburg`; `gnomAD PAX3`
> - **PubMed** — `PAX3 Waardenburg syndrome 2023`; `PAX3 Waardenburg syndrome 2024`; `Waardenburg syndrome type 1 PAX3 review`; `Klein-Waardenburg PAX3`
> - **Phenotype / structural / model resources** — `HPO Waardenburg syndrome`; `DECIPHER PAX3`; `MGI Pax3`; `ZFIN pax3a pax3b`
>
> Once retrieval is functioning again, these sources should support a complete, PMID-cited disease report.


*Blockquote: This blockquote explains why a fully cited report could not be produced in the session and lists the highest-priority resources and search strings to use in a follow-up retrieval pass.*