Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ribosomal protein L27aAB0071789606
ribosomal protein L27aNG_0003607227RpL27a    CG15442    CT35506    RpL27Aa    RpL27Ab    RpL27a2    anon-EST:Posey257   

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

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Text2Knowledge ... Yong Huang 2002