Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PKWSNM_0226509606GAP    RASA    CMAVM    RASGAP    p120GAP    RASA1    139150
PKWSNM_0028909606GAP    RASA    CMAVM    RASGAP    p120GAP    RASA1    139150

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

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Text2Knowledge ... Yong Huang 2002