Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Harvey-rasNM_00828410090ras    H-ras    Ha-ras    Hras-1    c-H-ras    Hras1   
Harvey-rasBC01108310090Ha-ras    ras    H-ras    c-H-ras    Hras1   

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

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Text2Knowledge ... Yong Huang 2002