Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GUDBC0328619606WAGR    WIT-2    WT33    WT1   
GUDNM_0003789606WAGR    WT33    WIT-2    WT1   
GUDNM_0244249606WAGR    WT33    WIT-2    WT1   
GUDNM_0244259606WAGR    WT33    WIT-2    WT1   
GUDNM_0244269606WAGR    WT33    WIT-2    WT1   
GUDBC0464619606WT33    WAGR    WIT-2    WT1   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002