Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GUCSA3BC0126279606GC-SA3    GUC1A3    GUCA3    GUCY1A3    139396
GUCSA3BC0283849606GC-SA3    GUC1A3    GUCA3    GUCY1A3    139396
GUCSA3NM_0008569606GUCA3    GC-SA3    GUC1A3    GUCY1A3    139396

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

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Text2Knowledge ... Yong Huang 2002