Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Rasgrf2NM_00902710090Grf2    606614
Rasgrf2NW_04761610116
Rasgrf2NM_05372110116
RASGRF2NM_0069099606GRF2    RAS-GRF2    606614
Rasgrf2NT_03958910090606614
RASGRF2NT_0067139606606614

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

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Text2Knowledge ... Yong Huang 2002