Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NCAM21BC0529469606MGC51008    NCAM2   
NCAM21NM_0045409606MGC51008    NCAM2   
NCAM21U753309606

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

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Text2Knowledge ... Yong Huang 2002