Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ES1BC0035879606GT335    HES1    D21S2048E    KNPI    KNP-Ia    KNPH    KNP-I    C21orf33    601659
ES1BC0023709606GT335    HES1    D21S2048E    KNPI    KNPH    KNP-I    C21orf33    601659
ES1NM_1981559606HES1    KNPH    KNPI    GT335    KNP-I    D21S2048E    C21orf33    601659
ES1NM_0046499606HES1    KNPH    KNPI    GT335    KNP-I    D21S2048E    C21orf33    601659
es1AF1801314577
es1NM_1310397955esi    fk61d03    wu:fk61d03   
Es1NM_00795410090Ee-1    Es-1    Es-4    Es-N    601659
Es1NT_07858610090601659
Es1BC02890710090601659
es1U104037955

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

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Text2Knowledge ... Yong Huang 2002