Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ivns1abpaBC0460687955ivns1abp    cb1052   
ivns1abpaBC0665137955ivns1abp    cb1052   

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

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Text2Knowledge ... Yong Huang 2002