Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MTXNBC0019069606MTX    MTX1    600605
MTXNNM_0024559606MTX    MTX1    600605
MTXNNM_1988839606MTX    MTX1    600605

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

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Text2Knowledge ... Yong Huang 2002