Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RHOHP1BC0013389606RHOM    Rho    RhoD    ARHD    605781
RhoHP1BC04798910090RhoD    RhoM    Rho    Arhd    605781
RhoHP1NM_00748510090Rho    Arhd    RhoM    Rhod    605781
RHOHP1NM_0145789606Rho    ARHD    RHOM    RHOD    605781

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

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Text2Knowledge ... Yong Huang 2002