Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MB7NM_01938810090B7    B70    B7-2    CLS1    Ly58    Ly-58    Cd28l2    TS/A-2    Cd86   
MB7NM_01370610090B7    CLS1    CAMPATH-1    Cd52   
MB7BC01380710090B7    B70    B7-2    CLS1    TS/A-2    Cd86   
MB7BC02749510090B7    CLS1    CAMPATH-1    Cd52   
MB7X7669610090

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

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Text2Knowledge ... Yong Huang 2002