Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GT335BC0035879606ES1    HES1    D21S2048E    KNPI    KNP-Ia    KNPH    KNP-I    C21orf33    601659
GT335BC0023709606ES1    HES1    D21S2048E    KNPI    KNPH    KNP-I    C21orf33    601659
GT335NM_1981559606ES1    HES1    KNPH    KNPI    KNP-I    D21S2048E    C21orf33    601659
GT335NM_0046499606ES1    HES1    KNPH    KNPI    KNP-I    D21S2048E    C21orf33    601659
GT335U530039606601659
GT335AH0066549606601659
GT335U530049606601659
GT335U530059606601659
GT335U530069606601659
GT335U530079606601659

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

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Text2Knowledge ... Yong Huang 2002