Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Igf2bp3NM_02367010090IMP3    IMP-3    Koc13    mimp3    Neilsen    2610101N11Rik   
Igf2bp3NT_03934310090
Igf2bp3BC04513810090IMP-3    Neilsen    mimp3    Koc13    IMP3   
Igf2bp3BC04908210090IMP-3    Neilsen    mimp3    Koc13    IMP3   

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

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Text2Knowledge ... Yong Huang 2002