Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CODNM_0030919606SNRPB1    snRNP-B    SmB/SmB'    SNRPB   
CODNM_1982169606SNRPB1    snRNP-B    SmB/SmB'    SNRPB   
CODBC0035309606SNRPB1    SmB/SmB'    snRNP-B    SNRPB   

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

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Text2Knowledge ... Yong Huang 2002