Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HRT1NM_01042310090Herp2    hesr-1    Hey1   
HRT1AB0612343981
Hrt1AF17228610090
HRT1NC_0011474932RBX1    HRT2    ROC1   

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

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Text2Knowledge ... Yong Huang 2002