Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC49976BC0414219606PNR    ESCS    RNR    NR2E3   
MGC49976NM_0142499606PNR    RNR    ESCS    NR2E3   
MGC49976NM_0163469606PNR    RNR    ESCS    NR2E3   

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

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Text2Knowledge ... Yong Huang 2002