Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ARB2BC0074279606ARR2    ARRB2   
ARB2NM_0043139606ARR2    ARRB2   
ARB2NM_1990049606ARR2    ARRB2   
ARB2BC0673689606ARR2    ARRB2   

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

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Text2Knowledge ... Yong Huang 2002