Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NMT55BC0031299606NRB54    P54NRB    P54    NONO   
NMT55BC0121419606NRB54    P54NRB    P54    NONO   
NMT55BC0282999606NRB54    P54NRB    P54    NONO   
NMT55BC0023649606NRB54    P54NRB    P54    NONO   
NMT55NM_0073639606P54    NRB54    P54NRB    NONO   
nmt55U898679606

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

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Text2Knowledge ... Yong Huang 2002