Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
L27ANM_01197510090Rpl27a   
L27AXM_13371110090Rpl27a   
L27AAB09949251655
L27aAJ4008799606
L27aAJ30767010090

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

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Text2Knowledge ... Yong Huang 2002