Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Rt-6NM_00749010090Rt6    Ly92a    Rt6-1    Art2a   
Rt-6NM_01991510090Art    Rt6    Ly92b    Rt6-2    Art2b   

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

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