Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SM22betaNM_17859810090Sm22B    Sm22a    2700094C18Rik    Tagln2   
SM22betaBC00907610090Sm22a    Sm22B    Tagln2   

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

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Text2Knowledge ... Yong Huang 2002