Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
D4S234EBC0017459606D4S234    P21    NSG1    607645
D4S234EAY4184619606607645
D4S234EAY4184629598
D4S234EAY41846310090607645
D4S234ENM_0143929606P21    NSG1    D4S234    607645
D4S234ENT_0060519606607645

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

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Text2Knowledge ... Yong Huang 2002