Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ERAL1ABC0190949606HERA-A    HERA-B    ERA    ERAL1   
ERAL1ANM_0057029606ERA    HERA-A    HERA-B    ERAL1   

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

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Text2Knowledge ... Yong Huang 2002