Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
C20orf148NM_0808239606SRM    dJ697K14.1    SRMS   
C20orf148XM_0659989606dJ697K14.1   

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

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Text2Knowledge ... Yong Huang 2002