Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
rpoH2AB042258382
rpoH2AP005961224911
rpoH2Y09502375
rpoH2AF149031382
rpoH2NC_004463224911
rpoH2NC_003047266834sigC   

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

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Text2Knowledge ... Yong Huang 2002