Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
mitfaBC0563187955nacre    z3A.1   
mitfaNM_1309237955nacre    z3A.1   
mitfaBC0656477955nacre    z3A.1   

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

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Text2Knowledge ... Yong Huang 2002