Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Bp35BC0028079606CD20    B1    MGC3969    S7    LEU-16    MS4A2    MS4A1   
Bp35NM_0219509606B1    S7    CD20    MS4A2    LEU-16    MGC3969    MS4A1   
Bp35NM_1528679606B1    S7    CD20    MS4A2    LEU-16    MGC3969    MS4A1   
Bp35NM_1528669606B1    S7    CD20    MS4A2    LEU-16    MGC3969    MS4A1   

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

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Text2Knowledge ... Yong Huang 2002