Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Igf-2NM_01051410090Mpr    M6pr    Peg2    Igf-II    Igf2   
Igf-2AJ22316572052
Igf-2M2463310090
IGF-2X7192110090

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

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Text2Knowledge ... Yong Huang 2002