Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RIGUIBC0282079606PER    PER1    602260
RIGUINM_0026169606PER    PER1    602260
RIGUIAF0229919606602260

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

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Text2Knowledge ... Yong Huang 2002