Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Ren2NM_03119310090Ren    Rnr    Rn-2    Ren-1    Ren-2    Ren-B   
Ren2NT_03918010090
Ren2NT_03919210090
Ren2M2274710090
Ren2AF23786010090
Ren2AF23786110103
Ren2BC01115710090
Ren2BC01147310090

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

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Text2Knowledge ... Yong Huang 2002