Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HUCDS1NM_01668110090CHK2    Cds1    Rad53    Chek2   
HuCds1BC0042079606CHK2    CDS1    PP1425    RAD53    bA444G7    CHEK2   
HuCds1NM_0071949606CDS1    CHK2    RAD53    PP1425    bA444G7    CHEK2   
HuCds1NM_1458629606CDS1    CHK2    RAD53    PP1425    bA444G7    CHEK2   
HUCDS1BC05661710090CHK2    Cds1    Chek2   

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

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Text2Knowledge ... Yong Huang 2002