Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Tcf7l1NM_00933210090Tcf-3    Tcf3   
TCF7L1BC0588949606TCF-3    TCF3   
TCF7L1NM_0312839606TCF3    TCF-3   
TCF7L1NT_0221849606

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

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Text2Knowledge ... Yong Huang 2002