Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
REG1BBC0278959606REGL    PSPS2    REGH    REGI-BETA   
REG1BAY4197399606
REG1BAY4197409598
REG1BAY41974110090
REG1BNM_0065079606REGH    REGL    PSPS2    REGI-BETA   
REG1BNT_0221849606

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

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Text2Knowledge ... Yong Huang 2002