Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
G430100A01RikNM_17723110090Arrb1   
G430100A01RikNM_17822010090Arrb1   

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

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Text2Knowledge ... Yong Huang 2002