Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MTPOLBBC0091949606HP55    POLB    POLGB    POLG2   
MtPolBNG_0002397227br16    CG8969    CT25782    Polgamma    l(2)34De    l(2)br16    BG:DS00941.9    DNApol-gamma    beta subunit    polgamma-beta    pol gamma-beta    accessory(beta)subunit    DNApol-gamma35   
MTPOLBNM_0072159606HP55    POLB    POLGB    POLG2   
MtPolBU947027227
MtPolBAE0034067227
MtPolBAE0034087227
MtPolBU947039606
MtPolBAF00607210090
MtPolBAF1246068355

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

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Text2Knowledge ... Yong Huang 2002