Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
B230365D05RikNM_14612410090MGC7050    Arhgap1   
B230365D05RikNT_07834610090

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

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Text2Knowledge ... Yong Huang 2002