Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
D230020M15RikNM_14522410090Tbx22   
D230020M15RikNM_18131910090Tbx22   

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

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Text2Knowledge ... Yong Huang 2002