Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RHOH12BC0009469606ARH12    RHO12    RHOA    ARHA    165390
RHOH12BC0059769606ARH12    RHO12    RHOA    ARHA    165390
RHOH12BC0013609606ARH12    RHO12    RHOA    ARHA    165390
RHOH12NM_0016649606ARHA    ARH12    RHO12    RHOA    165390
rhoh12M830949606165390

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

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Text2Knowledge ... Yong Huang 2002