Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC40670NM_14624510090Lrrc21   
MGC40670BC03227010090Lrrc21   
MGC40670NT_03959810090

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

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Text2Knowledge ... Yong Huang 2002