Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CTIP2NM_0228989606RIT1    CTIP-2    BCL11B    606558
CTIP2NM_1385769606RIT1    CTIP-2    BCL11B    606558
Ctip2BC01950310090Rit1    Bcl11b    606558
Ctip2NM_02139910090Rit1    B630002E05Rik    Bcl11b    606558
Ctip2AF18601910090606558

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

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Text2Knowledge ... Yong Huang 2002