Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ARC20BC0125969606p20-ARC    MGC13544    ARPC4   
ARC20BC0654239606p20-ARC    MGC13544    ARPC4   
ARC20NM_0057189606p20-ARC    MGC13544    ARPC4   
ARC20AF0198889606
ARC20AF0060879606

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

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Text2Knowledge ... Yong Huang 2002