Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Upk3bNM_17530910090P35    UpIIIb    PMS2L14   
UPK3BBC0043049606MGC10902    P35    UPIIIb    FLJ32198   
UPK3BAC0070789606
UPK3BNM_0305709606P35    UPIIIb    FLJ32198    MGC10902   
UPK3BNM_1826839606P35    UPIIIb    FLJ32198    MGC10902   
UPK3BNM_1826849606P35    UPIIIb    FLJ32198    MGC10902   
Upk3bNT_03931410090
UPK3BNT_0079339606
UPK3BNT_0795959606

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

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Text2Knowledge ... Yong Huang 2002