Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
p20-ArcNM_0265521009020kDa    5330419I20Rik    Arpc4   
p20-ARCBC0125969606ARC20    MGC13544    ARPC4   
p20-ARCBC0654239606ARC20    MGC13544    ARPC4   
p20-ARCNM_0057189606ARC20    MGC13544    ARPC4   
p20-ArcBC0553091009020kDa    Arpc4   

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

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Text2Knowledge ... Yong Huang 2002