Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
wu:fb53a02BC0502397955RAS    RAB1B    oncogene    fb53a02    rab1a   
wu:fb53a02BC0628577955RAS    RAB1B    oncogene    fb53a02    rab1a   

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

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Text2Knowledge ... Yong Huang 2002