Your Query returns 15 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ArhAXM_12521610090RhoA    Arha2    165390
ArhaNM_05713210116RhoA    Arha2   
ARHANM_0016649606ARH12    RHO12    RHOH12    RHOA    165390
ArhaNM_01680210090Arha1    Arha2    Rhoa    165390
ARHABC0009469606ARH12    RHOH12    RHO12    RHOA    165390
ARHABC0059769606ARH12    RHOH12    RHO12    RHOA    165390
ARHABC0013609606ARH12    RHOH12    RHO12    RHOA    165390
ARHAAY4083189606165390
ARHAAY4083199598
ARHAAY40832010090165390
ARHAAF4989709606RhoA    165390
ARHANM_1766459913
ArhAAF01437110090165390
ArhaNT_03947710090165390
ARHANT_0225179606165390

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

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Text2Knowledge ... Yong Huang 2002