Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MRP-S12BC0011829606MGC2616    MRP-S34    MRPS34   
MRP-S12NM_0239369606MGC2616    MRP-S34    MRPS34   
MRP-S12NC_0043547227S12    rps12    CG7925    l(1)3Ab    l(1)tko    mt-rps12    tko   
MRP-S12NM_0803117227S12    rps12    CG7925    l(1)3Ab    l(1)tko    mt-rps12    tko   

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

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Text2Knowledge ... Yong Huang 2002