Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RGSGAIPBC0013189606GAIP    RGS19   
RGSGAIPBC0543379606GAIP    RGS19   
RGSGAIPBC0630109606GAIP    RGS19   
RGSGAIPNM_0058739606GAIP    RGS19   

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

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Text2Knowledge ... Yong Huang 2002