Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
C-BCD541NM_0228759606SMNC    BCD541    SMN2   
C-BCD541NM_0228769606SMNC    BCD541    SMN2   
C-BCD541NM_0228779606SMNC    BCD541    SMN2   
C-BCD541NM_0174119606SMNC    BCD541    SMN2   

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

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Text2Knowledge ... Yong Huang 2002