Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ETbNM_00790410090ET-B    ET>B<    Ednrb   
EtbNM_01733310116Ednra    Ednrb   
ETBBC0144729606HSCR    HSCR2    ABCDS    ETRB    EDNRB   
ETBNM_0039919606ETRB    HSCR    ABCDS    HSCR2    EDNRB   
ETBNM_0001159606ETRB    HSCR    ABCDS    HSCR2    EDNRB   
ETbBC02655310090ET-B    ET>B<    Ednrb   

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

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