Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC26519BC0145939606SMCP    MCS    MGC26305    HSMCSGEN1    MCSP   
MGC26519BC0167449606SMCP    MCS    MGC26305    HSMCSGEN1    MCSP   
MGC26519NM_0306639606MCS    SMCP    MGC26305    HSMCSGEN1    MCSP   

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

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Text2Knowledge ... Yong Huang 2002