Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Basp2NM_00808310090B-50    GAP-43    Gap43   
Basp2NM_01719510116Gap43   
Basp2XM_14725910090B-50    GAP-43   

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

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Text2Knowledge ... Yong Huang 2002