Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
TS/A-2NM_01938810090B7    B70    MB7    B7-2    CLS1    Ly58    Ly-58    Cd28l2    Cd86   
TS/A-2BC01380710090B7    B70    MB7    B7-2    CLS1    Cd86   

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

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Text2Knowledge ... Yong Huang 2002